CN108764620B - Water environment assessment rewarding system and method for river network area of Taihu river basin - Google Patents
Water environment assessment rewarding system and method for river network area of Taihu river basin Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 237
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 56
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Abstract
The invention relates to a water environment assessment reward system and a water environment assessment reward method for a river network area of a lake Taihu river basin. The method comprises the steps of selecting an examination section, determining an examination water quality index and a water quality protection target, carrying out water quality index monitoring, judging whether the water quality of the examination section reaches the standard and the border water quality is improved or not, and calculating the reward amount of a to-be-examined administrative unit. The system and the method are simple and convenient to operate, influence of the water regime is comprehensively considered, the actual situation that water flow of rivers in the river network area at the administrative junction is uncertain is considered, and functional requirements of water in the Taihu lake basin are also considered. The method can evaluate the efforts and the effects of each administrative unit of the Taihu lake basin on the comprehensive regulation of the water environment scientifically, reasonably and fairly, provides a method basis for reasonable allocation of local government environment protection funds, and is suitable for water environment management of local departments.
Description
Technical Field
The invention belongs to the field of watershed water environment management and ecological compensation fund allocation management, and particularly relates to a water environment assessment reward system and a water environment assessment reward method for a river network area of a lake Taihu watershed.
Background
With the continuous development of social economy in the Taihu lake basin, the living standard is greatly improved, and the requirements of people on the living environment and the quality of drinking water are higher and higher. The Taihu lake is the most important drinking water source and natural scenic spot in Suzhou city, and is an important environmental support for the social and economic development of Suzhou city, particularly Wu Jiang district. The quality state of the water environment of the Taihu lake is in a sub-healthy state or an unhealthy state at present due to the adverse effect of water pollution of the Taihu lake basin. Although the ecological environment condition of the waters in the eastern part of the Tai lake is relatively better than that of other areas of the Tai lake and is between good and sub-healthy, the ecological environment condition is greatly influenced by weather, water conditions and seasons. The water body ecosystem and the environmental condition are in an unstable state, the requirements of residents on environmental quality and stable high-quality drinking water are met, and the standard reaching rate of the functional area is to be further improved.
The water area in the eastern Wujiang river administrative area of Taihu lake is not only polluted by other water areas of Taihu lake, but also polluted by the water body flowing backwards of the riverway along the lake town street water system in Wuzhou district. Because the area around the Taihu lake is close to the lake, the proportion of pollutants entering the lake accounts for the discharge amount is high, the improvement of the water quality around the Taihu lake is very important, and the basic requirement for the improvement and protection of the water environment quality of the Taihu lake is also met. In recent years, relevant regulatory provisions have been made in the suzhou city, and government funding compensates for water quality protection in this lake-following area. At present, ecological compensation is mainly based on average distribution, and the spontaneous and positive activities of the water quality protection main body around the lake cannot be mobilized.
The river system around the Taihu lake is complex, the rivers are vertically and horizontally distributed with an Enteromorpha light canal, a woodlight canal, a Sudong canal and a xu river canal, the connection between the river system and the Taihu lake along different town streets of the Taihu lake has great difference, the influence degree of the river channel in each town street by the Taihu lake is different, and the influence on the water body of the Taihu lake is also great different. On the other hand, the difference of the structures of the town street water systems is obvious, and the connection and interaction between the town street and the river channel are greatly influenced by the positions of the adjacent towns. The factors influencing the water environment quality of the river network have great difference in different towns, and even in the same town, the influence factors influencing the water environment change of different river channels have great difference due to different trend and types of the river channels. Therefore, the effort and the effect of evaluating the treatment of the ballast water pollution of each street by using the same index and standard are unreasonable and unscientific. In order to scientifically, reasonably, fairly and fairly evaluate the efforts and the effects of each administrative unit in the aspect of comprehensive water environment improvement, a set of scientific water environment assessment scheme matched with the street and town water system structure and the watershed hydrological characteristics and adaptive to the water rain condition working condition is urgently needed to be established, a long-acting water environment management and protection system in the lake-following area is formed, and the construction of the comprehensive water environment improvement engineering of the Taihu watershed in the administrative area is promoted.
Disclosure of Invention
The invention aims to provide a water environment assessment reward system and a water environment assessment reward method for a river network area of a lake Tai river basin, which can scientifically, reasonably, fairly and fairly evaluate the effort and effect of each administrative unit of the river network area in the aspect of comprehensive regulation of a water environment and provide a method basis for reasonable allocation and standard management of local government environment protection funds.
In order to achieve the purpose, the invention adopts the following technical scheme:
a water environment assessment rewarding method for a river network area of a Taihu lake basin comprises the following steps:
s100, selecting examination sections comprising an entry section and an exit section;
s200, selecting water quality assessment indexes, and acquiring water quality assessment index monitoring data of an assessment section;
s300, formulating standard standards of all water quality assessment indexes according to requirements of the watershed functional areas;
s400, based on the water quality assessment index monitoring data and the standard of the assessment section, performing standard judgment on the water quality assessment index of the assessment section, and determining the amount of reward money;
the total reward amount calculation mode is as follows:
in the formula, W is the annual compensation sum of a certain section; i is the ordinal number of the month, WiA compensation amount for each corresponding month i; wjCompensation amount corresponding to the individual water quality index j, AjThe weight of the corresponding single water quality index j is shown, m is the total number of the indexes, and k is the number of months;
and respectively calculating the reward amount of the inbound section and the outbound section, and taking the average value as the final reward amount.
In the method of the present invention, in S100, the assessment section is selected by using a river network town or a street as an administrative unit, selecting a section with the maximum flow rate of the inflow administrative unit as an entry section and selecting a section with the maximum flow rate of the outflow administrative unit as an exit section for each administrative unit.
In S200, the water quality assessment indexes are dissolved oxygen concentration, ammonia nitrogen concentration, biochemical oxygen demand, high manganate index and water quality comprehensive pollution index P value. Preferably, each index weight is assigned as: the dissolved oxygen concentration, the ammonia nitrogen concentration, the biochemical oxygen demand and the high manganate index weight account for 0.18, and the water quality comprehensive pollution index P value weight is 0.28. The P value reflects the water quality status, so the weight coefficient is slightly higher than other indexes.
In S300, based on the requirements of the lake Tai water functional area, the standard standards of all water quality assessment indexes are that dissolved oxygen is greater than 7.5mg/L, ammonia nitrogen is less than 0.5mg/L, biochemical oxygen demand is less than 3mg/L, and high manganate index is less than 4mg/L, P and less than 0.4.
In S400, the compensation amount calculation mode of the single water quality index is as follows:
entry section:
s410, based on the standard reaching standard of the water quality assessment index, judging the condition that the water quality index of the entry section reaches the standard, if the water quality index reaches the standard, giving full reward to the section, and if not, turning to S411;
s411, if the water quality index of the entry section is superior to the synchronous level of the previous year, calculating the reward amount according to the synchronous water quality improvement rate, otherwise, turning to S412;
s412 the entrance section award fund is 0;
exit section:
s420, judging the water quality index standard-reaching situation of the outbound section based on the standard-reaching standard of the water quality assessment index, if the water quality index standard-reaching situation reaches the standard, giving full reward to the section, and otherwise, turning to S421;
s421, if the water quality index of the exit section is superior to that of the entry section, giving full reward to the section, otherwise, turning to S422;
s422, if the water quality index of the outbound section is superior to the contemporaneous level of the previous year, calculating the reward amount according to the contemporaneous water quality improvement rate, and otherwise, turning to S423;
s423 the outbound profile award fund is 0.
In the invention, a single water quality index is used as an assessment unit, the water quality of an assessment section is compared with a protection target, if the single water quality reaches the standard, the index is awarded with a full prize, and the total prize of the section is the sum of the prizes of all water quality indexes. The method for judging whether the water quality of the passing situation is improved is that the water quality of the exit section is superior to that of the entry section, and the water quality of the passing situation is improved. The single index reward amount is calculated according to the annual contemporaneous improvement rate of the water quality index, and if the single water quality index does not reach the water quality standard and is reduced to some extent compared with the annual contemporaneous improvement rate, the index reward amount is 0.
In S400, the water quality of the assessment section is assessed every other month, and the assessment is performed once every 1 month, 3 months, 5 months, 7 months, 9 months and 11 months every year and is performed 6 times every year. The water flow directions of plain water network areas are changeable, and the difference between the dry period and the rich period is large, so that the check is performed once every 1 month, 3 months, 5 months, 7 months, 9 months and 11 months every year, and 6 times every year, so that the influence of water regimen changes on the water environment treatment effect is reduced, and the accuracy of the check result is improved.
The invention also aims to provide a water environment rewarding and checking system for the river network area of the Taihu lake basin.
The technical purpose of the invention is realized by the following technical scheme:
a water environment reward examination and verification system for a river network area of a Taihu lake basin comprises:
the water quality monitoring device is used for acquiring water quality assessment index monitoring data of an assessment section, wherein the assessment section comprises an entry section and an exit section;
the data storage module is used for storing monitoring data, including historical monitoring data;
the data processing module is used for judging the quality of the section water of the examination section and each single water quality examination index to reach the standard and determining the amount of reward based on examination section monitoring data, water quality examination index standard and historical monitoring data;
the total reward amount calculation mode is as follows:
in the formula, W is the annual compensation sum of a certain section; i is the ordinal number of the month, WiA compensation amount for each corresponding month i; wjCompensation amount corresponding to the individual water quality index j, AjThe weight of the corresponding single water quality index j is shown, m is the total number of the indexes, and k is the number of months;
and respectively calculating the reward amount of the inbound section and the outbound section, and taking the average value as the final reward amount.
The method and the system are simple and convenient to operate, the assessment method is scientific, the influence of the water regime is considered, the actual situation that the water flow of rivers in the river network area at the administrative junction is uncertain is considered, and the functional requirements of the water in the Taihu lake basin are also considered. The technical scheme of the invention can scientifically reflect the efforts and effects of each administrative unit in the aspect of water environment treatment, provides a scientific method for reasonable allocation of environment-friendly treatment funds, and is suitable for water environment management of local departments.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of this disclosure unless such concepts are mutually inconsistent. In addition, all combinations of claimed subject matter are considered a part of the presently disclosed subject matter.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of specific embodiments in accordance with the teachings of the present invention.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
Example 1
This example illustrates a specific embodiment of the process of the present invention.
The Taihu lake basin network area water environment assessment rewarding method shown in figure 1 comprises the steps of selecting an assessment section, determining an assessment water quality index, determining a water quality protection target, monitoring a water quality index, judging whether the water quality index reaches the standard, judging whether the water quality of a cross-country is improved or not and calculating the rewarding amount. The method specifically comprises the following steps:
s100, using the river network towns (streets) as administration units, selecting a section with the maximum inflow administration unit flow as an entry section and a section with the maximum outflow administration unit flow as an exit section for each administration unit.
S200, according to a water quality protection target of a river network area of the Taihu lake basin, taking dissolved oxygen, ammonia nitrogen, biochemical oxygen demand, a high manganate index and a water quality comprehensive pollution index P value as assessment water quality indexes.
S300, setting dissolved oxygen of more than 7.5mg/L, ammonia nitrogen of less than 0.5mg/L, biochemical oxygen demand of less than 3mg/L, high manganate index of less than 4mg/L and P of less than 0.4 as a water quality protection target based on the requirements of the Taihu lake water functional zone. The weights are respectively set to be that the dissolved oxygen concentration, the ammonia nitrogen concentration, the biochemical oxygen demand and the high manganate index weight account for 0.18, and the water quality comprehensive pollution index P value weight is 0.28.
S400, observing and calculating the dissolved oxygen, ammonia nitrogen, biochemical oxygen demand, high manganate index and comprehensive water pollution index P value of the assessment section by referring to lake eutrophication survey regulations, and establishing a monitoring database over the years. The water flow directions of plain water network areas are changeable, and the difference between the dry period and the rich period is large, so that the check is performed once every 1 month, 3 months, 5 months, 7 months, 9 months and 11 months every year, and 6 times every year, so that the influence of water regimen changes on the water environment treatment effect is reduced, and the accuracy of the check result is improved.
Judging the water quality standard-reaching condition of the assessment section, and if the water quality standard-reaching condition of the assessment section reaches a target, giving full reward to the section and the index; if the water quality does not reach the standard, judging whether the water quality of the passing situation is improved, and if the water quality is improved, giving full reward to the section and the index; if not, the reward amount is calculated according to the water quality improvement rate in the same period.
The water quality standard reaching condition judging method is that a single water quality index is used as an examination unit, the water quality of an examination section is compared with a protection target, if the single water quality index reaches the standard, the index is awarded with a full prize, and the total prize of the section is the sum of all the water quality index prizes. The calculation formula is as follows:
W＝∑Wi，i＝1，3，5，7，9，11；
in the formula, W is the annual compensation sum of a certain section; i is the ordinal number of the month, WiA compensation amount for each corresponding month i; wjCompensation amount corresponding to the individual water quality index j, AjThe weight of the corresponding single water quality index j is shown, m is the total number of the indexes, and k is the number of months;
and respectively calculating the reward amount of the inbound section and the outbound section, and taking the average value as the final reward amount.
The specific calculation method of the compensation amount of the single water quality index is as follows:
entry section:
s410, based on the standard reaching standard of the water quality assessment index, judging the condition that the water quality index of the entry section reaches the standard, if the water quality index reaches the standard, giving full reward to the section, and if not, turning to S411;
s411, if the water quality index of the entry section is superior to the synchronous level of the previous year, calculating the reward amount according to the synchronous water quality improvement rate, otherwise, turning to S412;
s412 the entrance section award fund is 0;
exit section:
s420, judging the water quality index standard-reaching situation of the outbound section based on the standard-reaching standard of the water quality assessment index, if the water quality index standard-reaching situation reaches the standard, giving full reward to the section, and otherwise, turning to S421;
s421, if the water quality index of the exit section is superior to that of the entry section, giving full reward to the section, otherwise, turning to S422;
s422, if the water quality index of the outbound section is superior to the contemporaneous level of the previous year, calculating the reward amount according to the contemporaneous water quality improvement rate, and otherwise, turning to S423;
s423 the outbound profile award fund is 0.
According to the method, taking EXCEL as an example, the single-term index calculation formula is as follows:
entry cross-section monthly reward amount ═ IF (ammonia nitrogen concentration <0.5, "18",100 ═ IF (ammonia nitrogen reduction rate <0, "0",0.5/' ammonia nitrogen concentration in the current year)) + IF (dissolved oxygen concentration >7.5, "18",100 × (0.18 IF (dissolved oxygen concentration increase rate <0, "0", dissolved oxygen concentration/7.5) in the current year) + IF (biochemical oxygen demand concentration <3, "18",100 × (0.18 × (biochemical oxygen demand reduction rate <0, "0", 3/biochemical oxygen demand concentration)) + IF (permanganate index <4, "18",100 ″ (0.18 × IF (permanganate index reduction rate <0, "0", 4/permanganate index)) + IF (total pollution index <0.4, "100" ("0.28 total pollution index reduction rate <0, 0.4/integrated pollution index))/6.
The monthly compensation amount of the exit section is equal to (IF (ammonia nitrogen concentration <0.5, "18", IF (ammonia nitrogen concentration of the exit water < ammonia nitrogen concentration of the inlet water, "18",100 × (0.18 × IF (ammonia nitrogen reduction rate < 0", 0.5/ammonia nitrogen concentration) in the current year)) + IF (dissolved oxygen concentration >7.5,"18", IF (dissolved oxygen concentration of the exit water > dissolved oxygen concentration of the inlet water," 18",100 [ (" 0.18 IF (dissolved oxygen concentration increase rate < 0", dissolved oxygen concentration/7.5)" in the current year)) + IF (biochemical oxygen demand concentration <3 "," 18", IF (biochemical oxygen demand concentration of the inlet water < biochemical oxygen demand concentration of the exit water," 18",100 [ (" 0.18 × IF (biochemical oxygen demand concentration reduction rate < 0"," 0", 3", biochemical oxygen demand)) + IF (permanganate index of the exit water) + 4 "," IF "(permanganate index of the exit water < permanganate index of the entry water, "18",100 × (0.18 × IF (permanganate index reduction rate <0, "0", 4/permanganate index))) + IF (integrated pollution index <0.4, "28", IF (effluent integrated pollution index < influent integrated pollution index, "28",100 × (0.28 × IF (integrated pollution index reduction rate <0, "0", 0.4/integrated pollution index)))/6.
Where 100 is the full prize in units of dollars. The corresponding single full prize of 4 indexes of dissolved oxygen, ammonia nitrogen, biochemical oxygen demand and high manganate index is 18 yuan; the P value full prize is 28 yuan. And the assessment department calculates the actual reward amount according to the proportion according to the actual full-amount prize.
Example 2
This example illustrates a specific embodiment of the system of the present invention.
A water environment reward examination and verification system for a river network area of a Taihu lake basin comprises:
the water quality monitoring device is used for acquiring water quality assessment index monitoring data of an assessment section, wherein the assessment section comprises an entry section and an exit section; the assessment section is selected by taking a river network town or a street as an administrative unit, selecting a section with the maximum flow rate of inflow administrative units as an entry section and selecting a section with the maximum flow rate of outflow administrative units as an exit section in each administrative unit. The water quality assessment indexes comprise dissolved oxygen concentration, ammonia nitrogen concentration, biochemical oxygen demand, high manganate index and water quality comprehensive pollution index P value, and the weight distribution of each index is as follows: the dissolved oxygen concentration, the ammonia nitrogen concentration, the biochemical oxygen demand and the high manganate index weight account for 0.18, and the water quality comprehensive pollution index P value weight is 0.28.
The data storage module is used for storing monitoring data, including historical monitoring data;
the data processing module is used for judging the quality of the section water of the examination section and each single water quality examination index to reach the standard and determining the amount of reward based on examination section monitoring data, water quality examination index standard and historical monitoring data; based on the requirements of the lake Tai water functional area, the standard standards of all water quality assessment indexes are that dissolved oxygen is more than 7.5mg/L, ammonia nitrogen is less than 0.5mg/L, biochemical oxygen demand is less than 3mg/L, and high manganate index is less than 4mg/L, P and less than 0.4;
the total reward amount calculation mode is as follows:
in the formula, W is the annual compensation sum of a certain section; i is the ordinal number of the month, WiA compensation amount for each corresponding month i; wjCompensation amount corresponding to the individual water quality index j, AjThe weight of the corresponding single water quality index j is shown, m is the total number of the indexes, and k is the number of months;
and respectively calculating the reward amount of the inbound section and the outbound section, and taking the average value as the final reward amount.
Wherein the water quality assessment indexes comprise dissolved oxygen concentration, ammonia nitrogen concentration, biochemical oxygen demand, high manganate index and water quality comprehensive pollution index P value.
The compensation amount calculation mode of the single water quality index is as follows:
entry section:
s410, based on the standard reaching standard of the water quality assessment index, judging the condition that the water quality index of the entry section reaches the standard, if the water quality index reaches the standard, giving full reward to the section, and if not, turning to S411;
s411, if the water quality index of the entry section is superior to the synchronous level of the previous year, calculating the reward amount according to the synchronous water quality improvement rate, otherwise, turning to S412;
s412 the entrance section award fund is 0;
exit section:
s420, judging the water quality index standard-reaching situation of the outbound section based on the standard-reaching standard of the water quality assessment index, if the water quality index standard-reaching situation reaches the standard, giving full reward to the section, and otherwise, turning to S421;
s421, if the water quality index of the exit section is superior to that of the entry section, giving full reward to the section, otherwise, turning to S422;
s422, if the water quality index of the outbound section is superior to the contemporaneous level of the previous year, calculating the reward amount according to the contemporaneous water quality improvement rate, and otherwise, turning to S423;
s423 the outbound profile award fund is 0.
Example 3
The method of example 1 is adopted to treat 8 towns (streets) of the Taihu lake in Wuzhou Zhongzhou province of Suzhou city: the river water environment management in 2015 of east mountain town, lake town, xu mouth town, xiangshan street, jinzhuang town, Guangfu town, Jing street and Yuxi street was examined. The method comprises the following specific steps:
(1) the section with the maximum flow rate of the inflow administration unit is selected as an entrance section and the section with the maximum flow rate of the outflow administration unit is selected as an exit section in each administration unit, and the determined assessment sections are shown in table 1.
TABLE 1 Water environment assessment section for each town (street)
(2) According to the water quality protection target of the river network area of the Taihu lake basin, dissolved oxygen, ammonia nitrogen, biochemical oxygen demand, high manganate index and comprehensive water quality pollution index P value are used as assessment water quality indexes.
(3) Based on the requirements of the Taihu lake water functional area, setting dissolved oxygen of more than 7.5mg/L, ammonia nitrogen of less than 0.5mg/L, biochemical oxygen demand of less than 3mg/L, high manganate index of less than 4mg/L and P of less than 0.4 as a water quality protection target.
(4) And (3) carrying out observation and calculation of dissolved oxygen, ammonia nitrogen, biochemical oxygen demand, high manganate index of the assessment section and comprehensive pollution index P value of water quality according to lake eutrophication survey regulations, and establishing a monitoring database over the years. The monitoring data of the embodiment are from monitoring data of environment monitoring stations 2014 and 2015 in Wuzhou province. The evaluation was performed once for 1 month, 3 months, 5 months, 7 months, 9 months and 11 months in 2015, and the total evaluation was performed for 6 times.
Judging the water quality standard-reaching condition of the assessment section, and if the water quality standard-reaching condition of the assessment section reaches a target, giving full reward to the section and the index; if the water quality does not reach the standard, judging whether the water quality of the passing situation is improved, and if the water quality is improved, giving full reward to the section and the index; if not, the reward amount is calculated according to the water quality improvement rate in the same period. The full prize is 100 ten thousand yuan, and the annual reward amount of each town (street) 2015 is shown in table 2.
TABLE 2 Water environmental assessment results in 2015 years of Jutai lake town (street) in Wu Zhongzhong
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (4)
1. A water environment assessment rewarding method for a river network area of a Taihu lake basin is characterized by comprising the following steps:
s100, selecting examination sections comprising an entry section and an exit section; taking a river network town or a street as administrative units, selecting a section with the maximum flow rate of an inflow administrative unit as an entry section and selecting a section with the maximum flow rate of an outflow administrative unit as an exit section in each administrative unit;
s200, selecting water quality assessment indexes, and acquiring water quality assessment index monitoring data of an assessment section; the water quality assessment indexes comprise dissolved oxygen concentration, ammonia nitrogen concentration, biochemical oxygen demand, high manganate index and water quality comprehensive pollution index P value; the index weights are distributed as follows: the dissolved oxygen concentration, the ammonia nitrogen concentration, the biochemical oxygen demand and the high manganate index weight account for 0.18, and the water quality comprehensive pollution index P value weight is 0.28;
s300, formulating standard standards of all water quality assessment indexes according to requirements of the watershed functional areas;
s400, based on the water quality assessment index monitoring data and the standard of the assessment section, performing standard judgment on the water quality assessment index of the assessment section, and determining the amount of reward money;
the total reward amount calculation mode is as follows:
W＝∑Wi，
in the formula, W is the annual compensation sum of a certain section; i is the ordinal number of the month, WiA compensation amount for each corresponding month i; wjCompensation amount corresponding to the individual water quality index j, AjThe weight of the corresponding single water quality index j is shown, m is the total number of the indexes, and k is the number of months;
wherein, the compensation amount calculation mode of the single water quality index is as follows:
entry section:
s410, based on the standard reaching standard of the water quality assessment index, judging the condition that the water quality index of the entry section reaches the standard, if the water quality index reaches the standard, giving full reward to the section, and if not, turning to S411;
s411, if the water quality index of the entry section is superior to the synchronous level of the previous year, calculating the reward amount according to the synchronous water quality improvement rate, otherwise, turning to S412;
s412 the entrance section award fund is 0;
exit section:
s420, judging the water quality index standard-reaching situation of the outbound section based on the standard-reaching standard of the water quality assessment index, if the water quality index standard-reaching situation reaches the standard, giving full reward to the section, and otherwise, turning to S421;
s421, if the water quality index of the exit section is superior to that of the entry section, giving full reward to the section, otherwise, turning to S422;
s422, if the water quality index of the outbound section is superior to the contemporaneous level of the previous year, calculating the reward amount according to the contemporaneous water quality improvement rate, and otherwise, turning to S423;
s423 the winning of the outbound section is 0;
and respectively calculating the reward amount of the inbound section and the outbound section, and taking the average value as the final reward amount.
2. The method according to claim 1, wherein in S300, based on the requirements of the Taihu lake water functional area, the standard standards of each water quality assessment index are that dissolved oxygen is greater than 7.5mg/L, ammonia nitrogen is less than 0.5mg/L, biochemical oxygen demand is less than 3mg/L, and high manganate index is less than 4mg/L, P and less than 0.4.
3. The method according to claim 1, wherein in S400, the water quality of the assessment section is assessed every other month, and the assessment is performed once every 1 month, 3 months, 5 months, 7 months, 9 months and 11 months and 6 times every year.
4. A water environment reward examination and verification system for a river network area of a Taihu lake basin is characterized by comprising:
the water quality monitoring device is used for acquiring water quality assessment index monitoring data of an assessment section, wherein the assessment section comprises an entry section and an exit section; taking a river network town or a street as administrative units, selecting a section with the maximum flow rate of an inflow administrative unit as an entry section and selecting a section with the maximum flow rate of an outflow administrative unit as an exit section in each administrative unit;
the data storage module is used for storing monitoring data, including historical monitoring data;
the data processing module is used for judging the quality of the section water of the examination section and each single water quality examination index to reach the standard and determining the amount of reward based on examination section monitoring data, water quality examination index standard and historical monitoring data;
the total reward amount calculation mode is as follows:
W＝∑Wi，
in the formula, W is the annual compensation sum of a certain section; i is the ordinal number of the month, WiA compensation amount for each corresponding month i; wjCompensation amount corresponding to the individual water quality index j, AjThe weight of the corresponding single water quality index j is shown, m is the total number of the indexes, and k is the number of months;
the compensation amount calculation mode of the single water quality index is as follows:
entry section:
s410, based on the standard reaching standard of the water quality assessment index, judging the condition that the water quality index of the entry section reaches the standard, if the water quality index reaches the standard, giving full reward to the section, and if not, turning to S411;
s411, if the water quality index of the entry section is superior to the synchronous level of the previous year, calculating the reward amount according to the synchronous water quality improvement rate, otherwise, turning to S412;
s412 the entrance section award fund is 0;
exit section:
s420, judging the water quality index standard-reaching situation of the outbound section based on the standard-reaching standard of the water quality assessment index, if the water quality index standard-reaching situation reaches the standard, giving full reward to the section, and otherwise, turning to S421;
s421, if the water quality index of the exit section is superior to that of the entry section, giving full reward to the section, otherwise, turning to S422;
s422, if the water quality index of the outbound section is superior to the contemporaneous level of the previous year, calculating the reward amount according to the contemporaneous water quality improvement rate, and otherwise, turning to S423;
s423 the winning of the outbound section is 0;
respectively calculating the reward amount of the inbound section and the outbound section, and taking the average value as the final reward amount;
wherein the water quality assessment indexes comprise dissolved oxygen concentration, ammonia nitrogen concentration, biochemical oxygen demand, high manganate index and water quality comprehensive pollution index P value; the index weights are distributed as follows: the dissolved oxygen concentration, the ammonia nitrogen concentration, the biochemical oxygen demand and the high manganate index weight account for 0.18, and the water quality comprehensive pollution index P value weight is 0.28.
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