CN114804515B - Constructed wetland system for river-core continent and flood plain - Google Patents
Constructed wetland system for river-core continent and flood plain Download PDFInfo
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- CN114804515B CN114804515B CN202210386859.5A CN202210386859A CN114804515B CN 114804515 B CN114804515 B CN 114804515B CN 202210386859 A CN202210386859 A CN 202210386859A CN 114804515 B CN114804515 B CN 114804515B
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- 239000004576 sand Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 241000196324 Embryophyta Species 0.000 claims abstract description 25
- 239000013049 sediment Substances 0.000 claims abstract description 14
- 239000011159 matrix material Substances 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 9
- 230000003628 erosive effect Effects 0.000 claims abstract description 7
- 230000002262 irrigation Effects 0.000 claims abstract description 7
- 238000003973 irrigation Methods 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000003381 stabilizer Substances 0.000 claims description 4
- 240000000530 Alcea rosea Species 0.000 claims description 3
- 235000017334 Alcea rosea Nutrition 0.000 claims description 3
- 235000017303 Althaea rosea Nutrition 0.000 claims description 3
- 240000002066 Amorpha fruticosa Species 0.000 claims description 3
- 235000004047 Amorpha fruticosa Nutrition 0.000 claims description 3
- 235000018185 Betula X alpestris Nutrition 0.000 claims description 3
- 235000018212 Betula X uliginosa Nutrition 0.000 claims description 3
- 235000001018 Hibiscus sabdariffa Nutrition 0.000 claims description 3
- 240000005979 Hordeum vulgare Species 0.000 claims description 3
- 235000007340 Hordeum vulgare Nutrition 0.000 claims description 3
- 235000014676 Phragmites communis Nutrition 0.000 claims description 3
- 235000005291 Rumex acetosa Nutrition 0.000 claims description 3
- 240000007001 Rumex acetosella Species 0.000 claims description 3
- 229910000278 bentonite Inorganic materials 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 235000003513 sheep sorrel Nutrition 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000010902 straw Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 244000291564 Allium cepa Species 0.000 claims 1
- 235000010167 Allium cepa var aggregatum Nutrition 0.000 claims 1
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 230000008635 plant growth Effects 0.000 description 3
- 244000257727 Allium fistulosum Species 0.000 description 2
- 235000008553 Allium fistulosum Nutrition 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 235000014698 Brassica juncea var multisecta Nutrition 0.000 description 1
- 235000006008 Brassica napus var napus Nutrition 0.000 description 1
- 240000000385 Brassica napus var. napus Species 0.000 description 1
- 235000006618 Brassica rapa subsp oleifera Nutrition 0.000 description 1
- 235000004977 Brassica sinapistrum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000007226 seed germination Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cultivation Of Plants (AREA)
- Revetment (AREA)
Abstract
The invention discloses an artificial wetland system for river-center continents and flood lands, which mainly comprises the following steps that 1) an artificial wetland is arranged into a second-level ladder type, wherein a first-level ladder is an emergent aquatic plant planting area, and a second-level ladder is a irrigation and grass mixed planting area; 2) The outer side of the first-stage ladder of the constructed wetland is provided with a sand setting device; 3) Spraying an erosion-resistant planting substrate layer with the thickness of 3-5cm on the surface of the constructed wetland region; 4) Respectively selecting plants in the emergent aquatic plant planting area and the arbor-shrub mixed planting area according to local climatic environment conditions; 5) Mixing the seeds into the matrix, spraying the mixture on the surface of the matrix layer in the corresponding area, and forming a seed layer with the thickness of 2 cm. The invention effectively solves the problems that the constructed wetland technology is easy to cause sediment accumulation and difficult to preserve plants when applied to the river core continents and the river flood lands, reduces the exposed area of the river core continents and the river flood lands in the dead water period, reduces the wind-blown sand source, prevents sediment accumulation, further expands the river core continents and the river flood lands, and realizes ecological restoration.
Description
Technical Field
The invention belongs to the technical field of comprehensive water environment remediation, and particularly relates to an artificial wetland system in a river center continent and a flood bank.
Background
The change of the water level of the jacuzanibu Jiang Zhongyou causes dynamic change of a river channel, causes the river-core continent and the flood bank to be exposed in winter and spring, forms seasonal sand sources, and provides power for wind and sand disaster formation in strong wind power in winter and spring in the area. Meanwhile, the water flow at the wide valley section in the water-enlarging period carries more sediment, and is continuously accumulated in the river and the flood bank, so that the wind and sand disasters in the area are further aggravated. By constructing the constructed wetland in the areas and constructing the vegetation, the area of the water area in dry season can be increased, the vegetation coverage rate of the river africa and the river flood beach can be improved, and the exposed area of the river africa and the river flood beach can be reduced.
The Chinese patent CN104790340A discloses an unpowered water quality purifying system for a riverside scene constructed wetland, which comprises a riverside wetland constructed along a river channel and a lake water land staggered zone, wherein the riverside wetland consists of a plurality of wetland islands which are staggered and a water channel formed between adjacent wetland islands, the bottom surface of the riverside wetland is lower than the normal water level of the river channel and the lake pond, the top surface of the wetland island is flush with the normal water level of the river channel and the lake pond, plants are planted on the wetland island, the constructed revetment between the riverside wetland and the river channel and between the lake pond is reduced, and the top surface of the revetment is between the bottom surface of the riverside wetland and the top surface of the wetland island.
Chinese patent CN105198085A discloses a stepped horizontal subsurface flow constructed wetland combination system and application thereof, the combination system is constructed according to slope topography, and comprises a plurality of stages of horizontal subsurface flow constructed wetland units which are distributed stepwise from top to bottom according to slope gradient, and pipe network units which communicate each stage of horizontal subsurface flow constructed wetland units, the horizontal subsurface flow constructed wetland units adopt a side water inlet mode, and water flow in the horizontal subsurface flow constructed wetland units horizontally flows along the length direction of the horizontal subsurface flow constructed wetland units.
The constructed wetland system is used for landscape construction of the sides of rivers and lakes, plays roles in eliminating pollution and purifying water, but has no role in intercepting sediment, so that the constructed wetland system is easy to cause the problems of wetland siltation, sediment burial and the like in a high water period, severely damages the constructed wetland and limits the application of the constructed wetland in river-core continents and river-flood beaches.
Disclosure of Invention
Aims at solving the problem that the existing artificial wetland is not suitable for being built in the river and the heart continent and the flood bank.
The invention provides an artificial wetland system for river-core continents and flood lands, which comprises the following steps:
1) The constructed wetland is arranged as a second-stage ladder type, wherein the first-stage ladder is an emergent aquatic plant planting area, and the second-stage ladder is a irrigation and grass mixed planting area;
2) The outer side of the first-stage ladder of the constructed wetland is provided with a sand setting device;
3) Spraying an erosion-resistant planting matrix layer of 3-5cm on the surface of the constructed wetland region;
4) Respectively selecting plants in the emergent aquatic plant planting area and the arbor-shrub mixed planting area according to local climatic environment conditions;
5) Mixing seeds into the matrix, and spraying the mixture on the surface of the planting matrix layer in the corresponding area to form a seed layer of 2 cm.
In some embodiments of the invention, the primary step maximum flooding depth ranges from 0.3m to 1.0m, and the secondary step maximum flooding depth ranges from 0.3m or less.
In some embodiments of the invention, the sand setting device is a concrete structure and comprises a front retaining wall, a rear retaining wall, a base and a fixing part, wherein the front retaining wall is 0.2-0.3m in height range, is in the shape of a right triangle, the ratio of the bottom edge to the height is (2-4): 1, the rear retaining wall is 0.4-0.6m in height range, the base is 1.0-1.5m in length, the fixing part is 0.3-0.5m in length range, the fixing part is buried in sand, and the sand setting device is installed in a river.
In some embodiments of the present invention, the sand setting device is provided in plurality, and the plurality of sand setting devices are assembled to be closely connected by the connection part around the river center or arranged at the periphery of the flood bank.
In some embodiments of the invention, the sand setting device needs to clean the sediment inside the device after the water level falls back.
In some embodiments of the invention, the planting substrate layer and the seed layer are formulated in the following volume ratios: 35% of sediment, 20% of planting soil, 5% of bentonite, 39.91% of highland barley straw decomposed substance, 0.03% of aggregate and 0.06% of stabilizer.
In some embodiments of the invention, the emergent aquatic plants are reed, allium fistulosum and rush, and the plants in the planting area are amorpha fruticosa, birch, hollyhock, canola and sorrel.
In some embodiments of the invention, the planting substrate layer is sprayed for 3-4 months and is 3-5cm thick, and the seed layer is sprayed for 4 to 5 last ten days and is 2cm thick.
Compared with the prior art, the invention has the beneficial effects that: in the constructed wetland system, the sand setting device plays a role in sediment settlement in the water enlarging period, prevents sediment accumulation of the wetland and direct erosion of the wetland by river water, keeps a high water content in the constructed wetland area after the water level falls back, and provides favorable conditions for plant growth; the problem that the existing artificial wetland technology is not suitable for being applied to river-core continents and flood lands is effectively solved; the exposed areas of the river core continents and the river flood lands in the dead water period can be reduced, the wind and sand sources are reduced, sediment accumulation is prevented, and the river core continents and the river flood lands are further enlarged.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of an artificial wetland constructed by using a river center continent and a flood bank.
In the figure: 1. river hearts and flood lands; 2. a water level in the dry period; 3. a first step; 4. a second step; 5. a front retaining wall; 6. a rear retaining wall; 7. a base; 8. a fixing member.
Detailed Description
The present invention will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
An artificial wetland system for river-core continents and flood lands, see fig. 1, comprises the steps of:
1) The constructed wetland is arranged as a second-stage ladder type, wherein the first-stage ladder is an emergent aquatic plant planting area, and the second-stage ladder is a irrigation and grass mixed planting area;
2) The outer side of the first-stage ladder of the constructed wetland is provided with a sand setting device;
3) Spraying an erosion-resistant planting matrix layer of 3-5cm on the surface of the constructed wetland region;
4) Respectively selecting plants in the emergent aquatic plant planting area and the arbor-shrub mixed planting area according to local climatic environment conditions;
5) Mixing seeds into the matrix, and spraying the mixture on the surface of the planting matrix layer in the corresponding area to form a seed layer of 2 cm.
Further, the artificial wetland is divided into two stages 4 according to the average value of flooding depth in the perennial water-full period, the range of the maximum flooding depth of the first stage 3 is 0.3m-1.0m, the artificial wetland is an emergent aquatic plant planting area, the range of the maximum flooding depth of the second stage 4 is less than or equal to 0.3m, and the artificial wetland is a mixed planting area for irrigation and grass.
Further, the construction of sand setting device, sand setting device are concrete structure, including preceding barricade 5, back barricade 6, base 7 and fixed part 8, preceding barricade 5 highly is 0.3m, and its shape is right triangle, and base and high ratio are 3:1, the high scope of back barricade 6 is 0.6m, and its base 7 length 1.5m, fixed part 8 length is 0.5m, need dig the slot in advance in the sand, and sand setting device sets up the installation in the dead water in the river center continent and the flood bank 1, places fixed part 8 in the sand, later carries out backfill compaction, and the structure of preceding barricade 5 and fixed part 8 can guarantee that sand setting device endure the hydraulic impact of higher intensity.
Further, the sand setting device is provided with a plurality of sand setting devices, the sand setting devices are assembled, the sand setting devices are tightly connected through the connecting parts, the periphery of an artificial wetland area defined in a river center continent is tightly surrounded into a circle according to the construction position of the artificial wetland, the periphery of the artificial wetland area defined in a river flood beach is tightly arranged in a row, the falling speed of the water level in the wetland is slowed down, and the sand setting device is positioned above the water level 22 in a dead water period.
Further, selecting plant types, wherein the selected emergent aquatic plants are reed, allium fistulosum and rush according to local climate environment conditions and periodic variation rules of water level, the shrubs in irrigation and grass planting areas are amorpha fruticosa and birch, and the herbaceous plants are hollyhock, rape and sorrel.
Further, spraying the foundation layer and the seed layer of the artificial wetland, wherein the preparation is carried out according to the following volume ratio: 35% of sediment, 20% of planting soil, 5% of bentonite, 39.91% of highland barley straw decomposed matter, 0.03% of aggregate and 0.06% of stabilizer, adding the materials into spray seeding equipment, adding water and uniformly stirring, and providing stable attachment for plant growth by the addition of the aggregate and the stabilizer and periodic water erosion and wind erosion resistance of a matrix.
Further, 3 months of spraying a planting substrate layer with the thickness of 3-5cm in the emergent aquatic plant planting area and the grass mixed planting area.
Further, after the air temperature is suitable for seed germination and plant growth in the last 5 months, corresponding seed layers are respectively sprayed on the planting substrate layers of the emergent aquatic plant planting area and the grass mixed planting area, and the thickness of the seed layers is about 2 cm.
Further, the sediment in the sand setting device is cleaned after the water level falls back, and a mechanical or manual cleaning mode can be adopted.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. An artificial wetland system for river-core continents and flood lands, which is characterized by comprising the following steps:
1) Dividing the artificial wetland into two steps according to the average value of flooding depths in the perennial water-enlarging period, wherein the range of the maximum flooding depth of the first step is 0.3 m-1.0 m, which is an emergent aquatic plant planting area, and the range of the maximum flooding depth of the second step is less than or equal to 0.3m, which is a mixed planting area of irrigation and grass; the constructed wetland is arranged into a second-stage ladder type, wherein the first-stage ladder is an emergent aquatic plant planting area, and the second-stage ladder is a irrigation and grass mixed planting area;
2) The outer side of the first-stage ladder of the constructed wetland is provided with a sand setting device, the sand setting device is arranged and installed in a river center continent and a river flood beach in a dead water period, a circle is tightly surrounded on the periphery of a constructed wetland area defined by the river center continent, a row of the sand setting device is tightly arranged on the periphery of the constructed wetland area defined by the river flood beach, and the position of the sand setting device is above the water level in the dead water period;
The sand setting device is provided with a plurality of sand setting devices, the sand setting devices are assembled and tightly connected through connecting parts, the sand setting devices surround a river center or are arranged at the periphery of a flood bank, sand in the sand setting device needs to be cleaned after the water level falls back, the sand setting device is of a concrete structure and comprises a front retaining wall, a rear retaining wall, a base and a fixing part, the front retaining wall is 0.2-0.3m in height and is in a right triangle shape, the ratio of the bottom edge to the height is (2-4): 1, the rear retaining wall is 0.4-0.6m in height, the base is 1.0-1.5m in length, the fixing part is 0.3-0.5m in length, and the fixing part is buried in the sand;
The sediment in the sand setting device is cleaned after the water level falls back, and a mechanical or manual cleaning mode can be adopted;
3) Spraying an erosion-resistant planting matrix layer of 3-5cm on the surface of the constructed wetland region;
4) Respectively selecting plants in the emergent aquatic plant planting area and the arbor-shrub mixed planting area according to local climatic environment conditions;
5) Mixing seeds into the matrix, and spraying the mixture on the surface of the planting matrix layer in the corresponding area to form a seed layer of 2 cm.
2. The constructed wetland system for river mountain continents and flood lands according to claim 1, wherein the planting substrate layer and the seed layer are prepared according to the following volume ratio: 35% of sediment, 20% of planting soil, 5% of bentonite, 39.91% of highland barley straw decomposed substance, 0.03% of aggregate and 0.06% of stabilizer.
3. The constructed wetland system for use in the river and flood lands according to claim 1, wherein the emergent aquatic plants are reed, shallot and rush, and the plant in the planting area of the shrub and herb is amorpha fruticosa, birch, hollyhock, rape and sorrel.
4. The constructed wetland system for use in river mountain and flood lands as claimed in claim 1, wherein said planting substrate layer is sprayed for 3-4 months, 3-5cm thick, and the seed layer is sprayed for 4 to 5 months and 2cm thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210386859.5A CN114804515B (en) | 2022-04-13 | 2022-04-13 | Constructed wetland system for river-core continent and flood plain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210386859.5A CN114804515B (en) | 2022-04-13 | 2022-04-13 | Constructed wetland system for river-core continent and flood plain |
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| Publication Number | Publication Date |
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| CN114804515A CN114804515A (en) | 2022-07-29 |
| CN114804515B true CN114804515B (en) | 2024-06-04 |
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|---|---|---|---|---|
| CN201176582Y (en) * | 2008-01-16 | 2009-01-07 | 付杨超 | Sand-depositing and slag-blocking facilities |
| CN102531182A (en) * | 2011-12-30 | 2012-07-04 | 南京大学 | System for purifying micro-polluted water flowing to reservoirs (lakes) and repairing ecological wetlands |
| CN105417712A (en) * | 2015-12-01 | 2016-03-23 | 中国科学院东北地理与农业生态研究所 | Construction method of ecological river branch in floodplain wetland in plain area |
| CN107010787A (en) * | 2017-05-15 | 2017-08-04 | 河海大学 | It is a kind of to block the native dirty system of sand setting drop suitable for hills area dyke |
| CN207392130U (en) * | 2017-10-31 | 2018-05-22 | 安徽省高迪科技有限公司 | A kind of ecology block stone revetment structure |
| CN108978590A (en) * | 2018-08-14 | 2018-12-11 | 上海勘测设计研究院有限公司 | Sediment trapping formula soil and water conservation ecological shore protection |
| CN214783604U (en) * | 2021-01-14 | 2021-11-19 | 上海宏波工程咨询管理有限公司 | A plant groove structure for bank slope water level fluctuation district |
| CN216074963U (en) * | 2021-10-26 | 2022-03-18 | 河海大学设计研究院有限公司 | River beach wetland ecosystem |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10246867B2 (en) * | 2017-05-02 | 2019-04-02 | Thomas Wang | River course ecological treatment system |
| CN110700186B (en) * | 2019-09-15 | 2021-06-18 | 苏州大学 | Hydro-fluctuation belt ecological slope protection system coping with hydrological changes |
-
2022
- 2022-04-13 CN CN202210386859.5A patent/CN114804515B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201176582Y (en) * | 2008-01-16 | 2009-01-07 | 付杨超 | Sand-depositing and slag-blocking facilities |
| CN102531182A (en) * | 2011-12-30 | 2012-07-04 | 南京大学 | System for purifying micro-polluted water flowing to reservoirs (lakes) and repairing ecological wetlands |
| CN105417712A (en) * | 2015-12-01 | 2016-03-23 | 中国科学院东北地理与农业生态研究所 | Construction method of ecological river branch in floodplain wetland in plain area |
| CN107010787A (en) * | 2017-05-15 | 2017-08-04 | 河海大学 | It is a kind of to block the native dirty system of sand setting drop suitable for hills area dyke |
| CN207392130U (en) * | 2017-10-31 | 2018-05-22 | 安徽省高迪科技有限公司 | A kind of ecology block stone revetment structure |
| CN108978590A (en) * | 2018-08-14 | 2018-12-11 | 上海勘测设计研究院有限公司 | Sediment trapping formula soil and water conservation ecological shore protection |
| CN214783604U (en) * | 2021-01-14 | 2021-11-19 | 上海宏波工程咨询管理有限公司 | A plant groove structure for bank slope water level fluctuation district |
| CN216074963U (en) * | 2021-10-26 | 2022-03-18 | 河海大学设计研究院有限公司 | River beach wetland ecosystem |
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| CN114804515A (en) | 2022-07-29 |
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