Difference between revisions of "Chuzhou,Anhui Province,China,1978-"
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== Location and Scale == | == Location and Scale == | ||
| − | Chuzhou Hydrology Laboratory | + | Chuzhou Hydrology Laboratory, located in the Huashan watershed, the drinking water source protection area of Chuzhou City in Anhui Province, China. |
| − | The Nandadish(A Natural Catchment) is a forested catchment bounded by surface topographical divides, with a surficial drainage area of 7897 m2, and its subsurface is bounded by natural bedrock at its bottom. The cover during the catchment’s construction in 1979 was natural grass with small shrubs and a few Masson pines (Pinus massoniana Lamb.) aged 5 to 6 yr. | + | The Chuzhou Hydrology Laboratory has combined natural and artificial facilities for systematic investigations of hydrologic |
| + | processes across scales. This field laboratory has many components, with a natural forested catchment called Nandadish and an artificial catchment called Hydrohill as major representatives. | ||
| + | 1.The Nandadish(A Natural Catchment) | ||
| + | The Nandadish is a forested catchment bounded by surface topographical divides, with a surficial drainage area of 7897 m2, and its subsurface is bounded by natural bedrock at its bottom. The cover during the catchment’s construction in 1979 was natural grass with small shrubs and a few Masson pines (Pinus massoniana Lamb.) aged 5 to 6 yr. | ||
| + | 2.The Hydrohill(An Artificial Catchment) | ||
| + | The artificial Hydrohill catchment (Gu, 1988, 1990), with a drainage area of 490 m2 by horizontal projection via plane surveying or 512 m2 including the inclined surface, is situated on a small andesitic hill. The entire hillslope was first excavated to fresh bedrock with an area of ?4700 m2 that was prepared for artificial catchments, of which the Hydrohill was the first. | ||
== Dates == | == Dates == | ||
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== Climate == | == Climate == | ||
| − | == Geology == | + | == Geology and soil == |
| + | The entire catchment may be viewed as a large soil dish resting on consolidated bedrock of the concordant body of andesitic and tuffaceous facies with a thin weathered layer. The overlying Quaternary regolith consists of brunisolic soil of heavy loam and medium and clay loams with a vadose zone thickness of 1 to 7 m (with an average thickness of 2.5 m). This catchment has deeper soils near the divide but only about 1 m thick near the outlet, making the catchment easy to close via a concrete wall installed to the bedrock at the outlet. Within the vadose zone, horizontal and vertical fissures and cracks have developed in the upper regolith, with prismatic and blocky soil structures. | ||
== Topography == | == Topography == | ||
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== Links == | == Links == | ||
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Latest revision as of 14:43, 20 April 2022
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Contents
Location and Scale[edit]
Chuzhou Hydrology Laboratory, located in the Huashan watershed, the drinking water source protection area of Chuzhou City in Anhui Province, China. The Chuzhou Hydrology Laboratory has combined natural and artificial facilities for systematic investigations of hydrologic
processes across scales. This field laboratory has many components, with a natural forested catchment called Nandadish and an artificial catchment called Hydrohill as major representatives.
1.The Nandadish(A Natural Catchment) The Nandadish is a forested catchment bounded by surface topographical divides, with a surficial drainage area of 7897 m2, and its subsurface is bounded by natural bedrock at its bottom. The cover during the catchment’s construction in 1979 was natural grass with small shrubs and a few Masson pines (Pinus massoniana Lamb.) aged 5 to 6 yr. 2.The Hydrohill(An Artificial Catchment) The artificial Hydrohill catchment (Gu, 1988, 1990), with a drainage area of 490 m2 by horizontal projection via plane surveying or 512 m2 including the inclined surface, is situated on a small andesitic hill. The entire hillslope was first excavated to fresh bedrock with an area of ?4700 m2 that was prepared for artificial catchments, of which the Hydrohill was the first.
Dates[edit]
The Chuzhou Hydrology Laboratory are established in 1978 by the Nanjing Hydraulic Research Institute of the Chinese Ministry of Water Resources.
Climate[edit]
Geology and soil[edit]
The entire catchment may be viewed as a large soil dish resting on consolidated bedrock of the concordant body of andesitic and tuffaceous facies with a thin weathered layer. The overlying Quaternary regolith consists of brunisolic soil of heavy loam and medium and clay loams with a vadose zone thickness of 1 to 7 m (with an average thickness of 2.5 m). This catchment has deeper soils near the divide but only about 1 m thick near the outlet, making the catchment easy to close via a concrete wall installed to the bedrock at the outlet. Within the vadose zone, horizontal and vertical fissures and cracks have developed in the upper regolith, with prismatic and blocky soil structures.
Topography[edit]
Vegetation / Land Use[edit]
History[edit]
Hydrological Knowledge Gained[edit]
Anecdotes[edit]
Reference Material[edit]
Links[edit]
Contents
1 Location and Scale 2 Dates 3 Climate 4 Geology and soil 5 Topography 6 Vegetation / Land Use 7 History 8 Anecdotes 9 Reference Material 10 Links
Location and Scale
Chuzhou Hydrology Laboratory in 1978 by the Nanjing Hydraulic Research Institute of the Chinese Ministry of Water Resources, located in the Huashan watershed, the drinking water source protection area of Chuzhou City in Anhui Province, China. The Nandadish(A Natural Catchment) is a forested catchment bounded by surface topographical divides, with a surficial drainage area of 7897 m2, and its subsurface is bounded by natural bedrock at its bottom. The cover during the catchment’s construction in 1979 was natural grass with small shrubs and a few Masson pines (Pinus massoniana Lamb.) aged 5 to 6 yr.
Dates
The Chuzhou Hydrology Laboratory are established in 1978 by the Nanjing Hydraulic Research Institute of the Chinese Ministry of Water Resources. Climate Geology and soil
The entire catchment may be viewed as a large soil dish resting on consolidated bedrock of the concordant body of andesitic and tuffaceous facies with a thin weathered layer. The overlying Quaternary regolith consists of brunisolic soil of heavy loam and medium and clay loams with a vadose zone thickness of 1 to 7 m (with an average thickness of 2.5 m). This catchment has deeper soils near the divide but only about 1 m thick near the outlet, making the catchment easy to close via a concrete wall installed to the bedrock at the outlet. Within the vadose zone, horizontal and vertical fissures and cracks have developed in the upper regolith, with prismatic and blocky soil structures. Topography
The surficial topography is shown in Fig. 2a, while the bedrock topography is shown in Fig.2b, which was surveyed via 69 drillings.
Example.jpg Vegetation / Land Use History
The Chuzhou Hydrology Laboratory has combined natural and artificial facilities for systematic investigations of hydrologic processes across scales. This field laboratory has many components (Fig. 1), with a natural forested catchment called Nandadish and an artificial catchment called Hydrohill as major representatives, for which selected research results are summarized and discussed here. Anecdotes Reference Material Links
