CN210665707U - In-situ lake intercepting hay blocking device - Google Patents

In-situ lake intercepting hay blocking device Download PDF

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Publication number
CN210665707U
CN210665707U CN201921366388.1U CN201921366388U CN210665707U CN 210665707 U CN210665707 U CN 210665707U CN 201921366388 U CN201921366388 U CN 201921366388U CN 210665707 U CN210665707 U CN 210665707U
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China
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lake
hay
grass
platform
detection area
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敖文
杜薇
曹秉帅
窦华山
邹长新
王文林
庞博
刘波
余岑涔
王增龙
杜亮亮
李文静
张爱国
姚俊学
张雪丹
顾羊羊
张文慧
周兴军
曲学斌
张弛
童仪
刘筱
陈俊松
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Hulunbuir Research Institute Of Inland Lakes In Cold And Arid Areas Of North China
Nanjing Institute of Environmental Sciences MEE
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Hulunbuir Research Institute Of Inland Lakes In Cold And Arid Areas Of North China
Nanjing Institute of Environmental Sciences MEE
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Abstract

The utility model discloses a lake hay device is intercepted to normal position, wherein: including setting up the detection zone in the lake, the detection zone surrounds through the tarpaulin, the tarpaulin lower extreme is provided with one row of plumb, the tarpaulin upper end sets up one row of floater, the tarpaulin lower extreme detects the equal fixed connection of edge foundation pile with each, the plumb sinks at the lakebed simultaneously, the floater floats in the surface of water, one side that the detection zone is close to the lakebed is provided with the roller grass platform, the normal position is blocked and is blocked lake hay device and still includes and block the grass network structure, it includes branch and porous purse seine to block the grass network structure, the branch lower extreme is fixed on detecting edge foundation pile, branch upper end and porous purse seine fixed connection, porous purse seine is by the front side wire side, the 21274appear the purse seine that left side wire. The utility model has the advantages of can be accurate calculate the volume of lake-entering wind rotor weed and accurately account for the nitrogen phosphorus pollution volume that lake-entering wind rotor weed leads to.

Description

In-situ lake intercepting hay blocking device
Technical Field
The utility model belongs to the technical field of environmental monitoring, concretely relates to normal position is blocked and is gone into lake hay device and nitrogen phosphorus pollution volume and go into lake accounting method.
Background
When the ecological environment in the lake in the grassland area is monitored, the situation that the grass on the grassland is blown into the lake in a lump by monsoon needs to be considered, the grass cluster migrating along with wind is the tumbleweed, and by taking the Reynolds lake as an example, a large amount of tumbleweed enters the Reynolds lake from the northwest direction in the autumn and winter season, so that the tumbleweed is an important source of nitrogen and phosphorus pollution of the Reynolds lake. As the lake bank line of the Hulun lake is long, the wind power is high, and the Fancao can continuously enter the lake in the whole autumn and winter, and the collection and the monitoring of the grass mass are both difficult. At present, for the research on pollution of the Renlun lake, a plurality of detection areas are arranged along the bank of the Renlun lake by related environment detection departments, the amount of the Fancorum hybridum entering the detection areas is monitored, the amount of the Fancorum hybridum entering the lake is calculated according to detection data of the detection areas, and then nitrogen and phosphorus pollution of the Renlun lake caused by the Fancorum hybridum is calculated. However, how to collect the fast rolling tumbleweed mass and how to determine how much nitrogen and phosphorus pollution is generated when the tumbleweed mass enters the lake are difficult to solve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, provide one kind can be accurate calculate the volume of lake-entering wind rotor and accurate accounting go into the normal position of the nitrogen phosphorus pollution volume that lake-entering wind rotor leads to and block into lake hay device and nitrogen phosphorus pollution volume and go into lake accounting method.
In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:
in-situ interception lake hay device, wherein: the device comprises a detection area arranged in a lake, the horizontal section of the detection area is square, each corner of the detection area is provided with a detection edge foundation pile at the bottom of the lake, each edge of the detection area is provided with a plurality of detection edge foundation piles at the bottom of the lake, the detection area is surrounded by waterproof cloth, the lower end of the waterproof cloth is provided with a row of plumbs, the upper end of the waterproof cloth is provided with a row of floating balls, the lower end of the waterproof cloth is fixedly connected with each detection edge foundation pile, the plumbs sink into the bottom of the lake, the floating balls float on the water surface, so that the waterproof cloth isolates the water body of the detection area from the water bodies at other positions of the lake, one side of the detection area close to the lakeshore is a rear side, the side is provided with a rolling grass platform, the width of the rolling grass platform is the same as that of the detection area, the lake inlet end of the rolling grass platform is lapped on the floating balls at one side of the waterproof cloth close, block careless net structure and include branch and porous purse seine, branch quantity is many, the branch lower extreme is fixed on detecting marginal foundation pile, branch upper end and porous purse seine fixed connection, porous purse seine is by the front side wire side, the 21274that left side wire side and right side wire side are constituteed, the shape purse seine, the length and the detection zone width of front side wire side are the same, the left side and the left side wire side fixed connection of front side wire side, the right side and the right side wire side fixed connection of front side wire side, front side wire side is located anterior position in the detection zone, the left side wire side extends to the roller grass platform from the anterior left side of detection zone and goes into lake end left side, the right side wire side extends to the roller grass platform from the anterior right side of detection zone and goes into lake end right side.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the lake bank end of the roller grass platform is parallel to the lake bank.
The rolling grass platform is of a porous plate structure, except that the lake inlet end and the lake shore end of the rolling grass platform are higher than the horizontal plane, the rest parts of the rolling grass platform are slightly lower than the horizontal plane, and holes in the rolling grass platform vertically penetrate through the rolling grass platform, so that a wet water layer is coated on the upper surface of the rolling grass platform.
The height of the wet water layer is not higher than 2cm and not lower than 0.5 cm.
The porous purse seine is a metal purse seine.
The rolling grass platform is made of plastic materials.
The method for checking the nitrogen and phosphorus pollution amount in the lake by using the in-situ interception lake hay device comprises the following steps: the method comprises the following steps:
step a, entering a lake entering wind rolling grass porous purse net v 21274, entering an in-situ lake blocking and entering hay device through a shaped opening, wetting the hay by a wet water layer when passing through a rolling grass platform, reducing the flying height of the wind rolling grass along with wind, facilitating the blocking of the hay by the porous purse net, enabling the wind rolling grass to enter a detection area through the rolling grass platform under the blowing of the wind entering the lake, and depositing and rotting the wind rolling grass in the detection area due to the existence of the porous purse net;
b, measuring water depth at a plurality of positions in the detection area through a measuring tape with an iron sinker arranged at the bottom, sinking the iron sinker of the measuring tape into the water bottom, reading the water depth value of the measuring tape at the water surface, averaging the water depth values at a plurality of positions in the detection area to obtain the average water depth of the detection area, and multiplying the average water depth of the detection area by the length and the width of the detection area to obtain the volume of the water body of the detection area;
c, establishing a plurality of groups of lake-edge simulation areas at the lake edge, taking lake water with different volumes in each group of lake-edge simulation areas, adding hay with different weights into the water body at intervals of a specified time, and measuring the total amount of inorganic and organic nitrogen and the change of total phosphorus in various forms in the water body in the decomposition process of the hay with different biomass under the condition of continuously adding the hay; establishing a relation model of nitrogen and phosphorus concentration of the water body along with hay biomass and decomposition time;
d, continuously measuring the total amount of inorganic and organic nitrogen in various forms and the change of total phosphorus in the detection area within a specified time to obtain a nitrogen and phosphorus concentration change curve of the water body in the detection area;
e, supposing that the amount of the tumbleweed entering the detection area in the specified time is uniform, comparing a nitrogen and phosphorus concentration change curve of the water body in the detection area with a relation model of the nitrogen and phosphorus concentration of the water body along with the biomass of the hay and the decomposition time, finding a lake-side simulation area which is similar to or identical to the nitrogen and phosphorus concentration change curve of the water body in the detection area, and dividing the added hay amount in the lake-side simulation area by the water body volume in the detection area to obtain the weight of the tumbleweed entering the detection area in the specified time;
f, establishing an indoor simulation area, wherein a certain amount of clean water is contained in the indoor simulation area, hay is added into the clean water in a moderate proportion according to the proportion of the weight of the lake-entering tumbleweed entering the detection area to the volume of the water body in the detection area, and the total amount of various forms of inorganic and organic nitrogen and the change of total phosphorus in the water body in the hay decomposition process are measured;
and g, when the total amount of various forms of inorganic and organic nitrogen and the total phosphorus in the indoor simulation area are changed stably, dividing the water volume of the indoor simulation area by the water volume of the detection area multiplied by the total amount of various forms of inorganic and organic nitrogen and the total phosphorus in the stabilized indoor simulation area, so as to obtain the nitrogen and phosphorus pollution amount of the detection area entering the lake within the specified time.
The utility model has the advantages of it is following:
1. through enclosing the partition in the detection zone setting, enclose out a length in the lake, the wide waters that all is the predetermined value, the water and external waters of this waters are kept apart, get into the income lake wind that encloses the partition and roll the grass submergence in the aquatic, be enclosed to separate and block, can't come out, in order to guarantee the detection zone detection precision, it has one section distance to enclose the position off-shore of separating, this section distance adopts the roll grass platform to connect, it all shelters from with the purse seine to enclose the outside and roll grass platform both sides, make only the wind roll grass that gets into the roll grass platform can get into the detection zone, and the width that rolls the grass platform is the same with the detection zone, therefore, the utility model discloses an enclose the partition, purse seine and roll the design of grass platform can let the detection zone collect the income lake wind roll grass of accurate.
2. In actual observation, the wind-force of hulunhu is very big, and the quality of tumbleweed is lighter, and even tumbleweed blows into the detection zone often, but because tumbleweed flies on the lake surface, still can follow the fender and fly out at last, the utility model discloses a this problem is solved to two kinds of schemes: firstly, the shape is blocked grass network structure and can be blocked and fly the wind of flying in the sky and roll the grass, roll the grass with wind and intercept in the detection zone, secondly highly down-regulate to the surface of water below the level of water that will roll the grass platform, let roll the dark water of one deck on the grass platform, when the wind rolls the grass and enters into from rolling the grass platform, can be stained with some water, lead to wind to roll the grass weight and rise, can't fly very high, get into the detection zone after, even wind-force is great, wind rolls the grass and also can be blocked grass network structure and block, can't climb over and block grass network structure.
3. The utility model is provided with the lake edge simulation area and the indoor simulation area, because the lake water generally contains partial nitrogen and phosphorus elements, and under the action of biological community, the nitrogen and phosphorus amount in the lake water can continuously change, the uncertainty can not directly relate the nitrogen and phosphorus amount decomposed by the hay obtained in the indoor simulation area with the nitrogen and phosphorus amount measured by the detection area, therefore, the utility model is added into the lake edge simulation area, the lake edge simulation area adopts the lake water which is the same as the detection area, therefore, the original nitrogen and phosphorus elements in the water body and the biological community state can be quite close, thus, the hay amount in the lake edge simulation area and the lake-entering wind rolling hay amount in the detection area can be related by detecting the total nitrogen and phosphorus amount in the water body, because the hay amount in the lake edge simulation area is known data, therefore, according to the hay amount in the lake edge simulation area, the nitrogen and phosphorus amount decomposed by the hay obtained in the indoor simulation area can be related with the measured nitrogen and phosphorus amount, and finally, calculating the nitrogen and phosphorus pollution amount of the detection area entering the lake within the specified time. The method for setting the two simulation areas can accurately calculate the nitrogen and phosphorus pollution amount of the detection area entering the lake. And then calculating the nitrogen and phosphorus pollution amount of the whole lake entering the lake according to the data of the detection area.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a left side view of the present invention;
fig. 3 is a rear view of the present invention;
fig. 4 is a schematic structural view of the front side web.
The reference signs are: the device comprises a detection area 1, a detection edge foundation pile 11, waterproof cloth 2, a plumb 21, a floating ball 22, a grass rolling platform 3, a grass blocking net structure 4, a support rod 41, a porous purse net 42, a front side net surface 42a, a left side net surface 42b and a right side net surface 42 c.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
The in-situ interception lake hay device of the embodiment, wherein: the detection area comprises a detection area 1 arranged in a lake, the horizontal section of the detection area 1 is square, each corner of the detection area 1 is provided with a detection edge foundation pile 11 at the bottom of the lake, each edge of the detection area 1 is provided with a plurality of detection edge foundation piles 11 at the bottom of the lake, the detection area 1 is enclosed by waterproof cloth 2, the lower end of the waterproof cloth 2 is provided with a row of plumbs 21, the upper end of the waterproof cloth 2 is provided with a row of floating balls 22, the lower end of the waterproof cloth 2 is fixedly connected with each detection edge foundation pile 11, meanwhile, the plumbs 21 sink into the bottom of the lake, the floating balls 22 float on the water surface, so that the waterproof cloth 2 isolates the water body in the detection area 1 from the water bodies in other positions of the lake, one side of the detection area 1 close to the lake bank is a rear side, the side is provided with a rolling grass platform 3, the width of the rolling grass platform 3 is the same as, the device for intercepting the lake hay in situ also comprises a grass-intercepting net structure 4, the grass-intercepting net structure 4 comprises a plurality of supporting rods 41 and a porous purse net 42, the lower ends of the supporting rods 41 are fixed on the detection edge foundation piles 11, the upper ends of the supporting rods 41 are fixedly connected with the porous purse net 42, the porous purse net 42 is composed of a front side net surface 42a, the length of the front side net surface 42a is the same as the width of the detection area 1, the left side of the front side net surface 42a is fixedly connected with the left side net surface 42b, the right side of the front side net surface 42a is fixedly connected with the right side net surface 42c, the front side net surface 42a is located at the front position in the detection area 1, the left side net surface 42b extends from the left side of the front part of the detection area 1 to the left side of the lake inlet end of the rolling grass platform 3, and the right side net surface 42c extends from the right side of the front part of the detection area 1 to the right side of the lake inlet end of the rolling grass platform 3.
In the embodiment, the lake bank end of the rolling grass platform 3 is parallel to the lake bank.
In the embodiment, the rolling grass platform 3 is of a porous plate structure, the rest parts of the rolling grass platform 3 are slightly lower than the horizontal plane except that the lake inlet end and the lake shore end are higher than the horizontal plane, and the holes in the rolling grass platform 3 vertically penetrate through the rolling grass platform 3, so that the upper surface of the rolling grass platform 3 is covered with a wet water layer.
In the examples, the height of the wet water layer was not higher than 2cm and not lower than 0.5 cm.
In an embodiment, the porous seine 42 is a metal seine.
In the embodiment, the rolling grass platform 3 is made of plastic material.
The utility model discloses squeeze into at the bottom at detection zone 1 like the mode of fig. 1-4 and detect marginal foundation pile 11 then with 2 lower extremes of tarpaulin on detecting marginal foundation pile 11 earlier, do not then tie up plumb 21 with 2 lower extreme portions of tarpaulin of marginal foundation pile 11 fixed, guarantee that tarpaulin 2 forms the curtain under water, floater 22 can guarantee that 2 upper portions of tarpaulin are higher than the horizontal plane all the time, roll grass platform 3 and moved the lakeshore with detection zone 1 entry, and can let the income lakewind that is about to get into detection zone 1 roll the grass and be stained with earlier, make it unable fly high, so that porous purse seine 42 is under strong wind weather, roll the grass with this part wind and block.
After the device is established, the method for checking the nitrogen and phosphorus pollution amount entering the lake by using the device comprises the following steps:
step a, entering a lake entering wind rolling grass porous purse net 42 of a v 21274, entering an in-situ lake blocking and entering hay device through a shape opening, wetting the hay by a wet water layer when passing through a rolling grass platform 3, reducing the flying height of the wind rolling grass along with wind, being convenient for the porous purse net 42 to shield the hay, enabling the wind rolling grass to enter a detection area 1 through the rolling grass platform 3 under the blowing of the wind entering the lake, and depositing and rotting the wind rolling grass in the detection area 1 due to the existence of the porous purse net 42;
b, measuring water depth at multiple positions in the detection area 1 through a measuring tape with an iron sinker arranged at the bottom, sinking the iron sinker of the measuring tape into the water bottom, reading the water depth value of the measuring tape at the water surface, averaging the water depth values at multiple positions in the detection area 1 to obtain the average water depth of the detection area 1, and multiplying the average water depth of the detection area 1 by the length and the width of the detection area 1 to obtain the water volume of the detection area 1;
c, establishing a plurality of groups of lake-edge simulation areas at the lake edge, taking lake water with different volumes in each group of lake-edge simulation areas, adding hay with different weights into the water body at intervals of a specified time, and measuring the total amount of inorganic and organic nitrogen and the change of total phosphorus in various forms in the water body in the decomposition process of the hay with different biomass under the condition of continuously adding the hay; establishing a relation model of nitrogen and phosphorus concentration of the water body along with hay biomass and decomposition time;
d, continuously measuring the total amount of various forms of inorganic and organic nitrogen and the change of total phosphorus in the detection area 1 within a specified time to obtain a nitrogen and phosphorus concentration change curve of a water body in the detection area 1;
e, supposing that the amount of the tumbleweed entering the detection area 1 in the specified time is uniform, comparing a nitrogen and phosphorus concentration change curve of the water body in the detection area 1 with a relation model of the nitrogen and phosphorus concentration of the water body along with the biomass of the hay and the decomposition time, finding a lake-side simulation area which is close to or identical with the nitrogen and phosphorus concentration change curve of the water body in the detection area 1, and dividing the volume of the water body in the lake-side simulation area by the amount of the added hay in the lake-side simulation area multiplied by the volume of the water body in the detection area 1 to obtain the weight of the tumbleweed entering the detection area 1 in the specified time;
f, establishing an indoor simulation area, wherein a certain amount of clean water is contained in the indoor simulation area, hay is added into the clean water in a moderate proportion according to the proportion of the weight of the lake-entering tumbleweed entering the detection area 1 to the volume of the water body in the detection area 1, and the total amount of various forms of inorganic and organic nitrogen and the change of total phosphorus in the water body in the process of decomposing the hay are measured;
and g, when the total amount of various forms of inorganic and organic nitrogen and the total phosphorus in the indoor simulation area are changed stably, dividing the water volume of the indoor simulation area by the water volume of the detection area 1 multiplied by the total amount of various forms of inorganic and organic nitrogen and the total phosphorus in the stabilized indoor simulation area, so as to obtain the nitrogen and phosphorus pollution amount of the detection area 1 entering the lake within the specified time.
And then calculating the nitrogen and phosphorus pollution amount of the whole lake entering the lake according to the data of the detection area.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.

Claims (6)

1. The in-situ intercepting lake hay blocking device is characterized in that: including setting up detection zone (1) in the lake, detection zone (1) horizontal cross section be the square, every angle of detection zone (1) all squeeze into one at the bottom of a lake and detect marginal foundation pile (11), every limit of detection zone (1) all squeeze into a plurality of detection marginal foundation piles (11) at the bottom of a lake, detection zone (1) surround through tarpaulin (2), tarpaulin (2) lower extreme be provided with one row of plumb (21), tarpaulin (2) upper end sets up one row of floater (22), tarpaulin (2) lower extreme and each detect equal fixed connection of marginal foundation pile (11), simultaneously plumb (21) sink into the bottom of a lake, floater (22) float in the surface of water for tarpaulin (2) keep apart the water of detection zone (1) with the water of position outside lake detection zone (1), one side that detection zone (1) be close to the lakeshore is the rear side, the side is provided with a rolling grass platform (3), the width of the rolling grass platform (3) is the same as that of the detection area (1), the lake entering end of the rolling grass platform (3) is lapped on a floating ball (22) on one side of a waterproof cloth (2) close to a lake bank and is fixedly connected with the floating ball (22), the lake bank end is fixed on the edge of the lake bank, the in-situ lake blocking and entering hay device further comprises a grass blocking net structure (4), the grass blocking net structure (4) comprises supporting rods (41) and porous fencing nets (42), the number of the supporting rods (41) is multiple, the lower ends of the supporting rods (41) are fixed on a detection edge foundation pile (11), the upper ends of the supporting rods (41) are fixedly connected with the porous fencing nets (42), the porous fencing nets (42) are 21274) formed by a front side net surface (42a), a left side net surface (42b) and a right side net surface (42c), the length of the front side net surface (42a) is the same as that of the detection area (1), the left side of the front side net surface (42a) is fixedly connected with the left side net surface (42b), the right side of the front side net surface (42a) is fixedly connected with the right side net surface (42c), the front side net surface (42a) is located at the front position in the detection area (1), the left side net surface (42b) extends from the front left side of the detection area (1) to the left side of the lake inlet end of the rolling grass platform (3), and the right side net surface (42c) extends from the front right side of the detection area (1) to the right side of the lake inlet end of the rolling grass platform (3).
2. The in-situ lake intercepting hay blocking device according to claim 1, wherein: the lake bank end of the rolling grass platform (3) is parallel to the lake bank.
3. The in-situ lake intercepting hay blocking device according to claim 1, wherein: the rolling grass platform (3) is of a porous plate structure, the rest parts of the rolling grass platform (3) are slightly lower than the horizontal plane except that the lake entering end and the lake shore end are higher than the horizontal plane, and holes in the rolling grass platform (3) penetrate through the rolling grass platform (3) up and down, so that a wet water layer covers the upper surface of the rolling grass platform (3).
4. The in-situ lake intercepting hay blocking device according to claim 3, wherein: the height of the wet water layer is not higher than 2cm and not lower than 0.5 cm.
5. The in-situ lake intercepting hay blocking device according to claim 1, wherein: the porous purse seine (42) is a metal purse seine.
6. The in-situ lake intercepting hay blocking device according to claim 1, wherein: the rolling grass platform (3) is made of plastic materials.
CN201921366388.1U 2019-08-22 2019-08-22 In-situ lake intercepting hay blocking device Active CN210665707U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110412231A (en) * 2019-08-22 2019-11-05 呼伦贝尔市北方寒冷干旱地区内陆湖泊研究院 Original position, which is intercepted, enters lake accounting method into lake hay device and nitrogen and phosphorus pollution amount

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110412231A (en) * 2019-08-22 2019-11-05 呼伦贝尔市北方寒冷干旱地区内陆湖泊研究院 Original position, which is intercepted, enters lake accounting method into lake hay device and nitrogen and phosphorus pollution amount
CN110412231B (en) * 2019-08-22 2024-04-19 呼伦贝尔市北方寒冷干旱地区内陆湖泊研究院 In-situ interception lake hay entering device and nitrogen and phosphorus pollution amount lake entering accounting method

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