WETLAND AND WATER RESOURCE MODELING AND ASSESSMENT: A Watershed Perspective - Chapter 9 pot

... heat balance used for snow- melt and potential evapotranspiration, are taken as spatially constant over the water- shed. Also, the partial linear reservoir coefcients for the groundwater and ... instead of the analytical solution used in the original lumped-parameter water balance model, we are able to easily represent the mass balance of both water and an arbitrary conservativ...

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... and A is the total area of the Carex landscape. The fragmentation index of the Carex landscape in the Poyang Lake wetland area is 0.6041 (0 represents landscape that has not been depleted, and ... spectral library and the spectral angle map- ping approach, and (3) to assess the accuracy of the presented approach. © 2008 by Taylor & Francis Group, LLC 40 Wetland and Water...

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... (7 09 mm/yr and a runoff ratio of 70.2%) than the 291 -ha clear-cut watershed (276 mm/yr and a runoff ratio of 27.3%). In 196 9, 60% of the forested watershed was harvested and water yield decreased ... vegetated watersheds. The average annual precipitation was about 400 mm. Greater than 95 % of precipitation evapotranspirated, and less than 5% precipitation became str...

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... watershed had a medium wind erosion potential (Table 10.2) and most of the area was in the agricultural land. 10.4 ESTIMATING ANIMAL MANURE LOADING POTENTIAL Improper management of animal manure ... of cropland. Average phosphate application data for all the cropland were based on the USDA National Agricultural Statistical Service’s 199 0 and 199 1 eld crops survey results at the...

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... the east and then discharges into Poyang Lake. The watershed is characterized by a fragile FIGURE 20.5 FIGURE 20.6 © 2008 by Taylor & Francis Group, LLC 160 Wetland and Water Resource Modeling ... Journal of Water and Soil Conservation 14(2): 19 24. Desmet, P. J., and G. Govers. 199 6. A GIS-procedure for automatically calculating the USLE LS-factor on topograph...

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... solar radiation reaching the water surface and water temperature. Addition- ally, the GIS is also used to input, store, retrieve, manipulate, analyze, and output spatial variables and other spatial ... Taylor & Francis Group, LLC 192 Wetland and Water Resource Modeling and Assessment 16.5 ENVIRONMENTAL VARIABLES AND THEIR MEASUREMENTS IN POYANG LAKE SAV simulatio...

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... Potential Human Impacts Wei “Wayne” Ji and Jia Ma 18.1 INTRODUCTION Characterized by a shallow water table (Sharitz and Batzer 199 9), wetlands are tran- sitional landscapes between open water systems and terrestrial ... GIS data Biological supporting function Total area of a target wetland (BV1) Total area of a wetland in a potentially impacted location >75 percenti...

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... The coastal wetlands only used a single-season late spring leaf-off image from mid-March. Prairie wetlands, forest wetlands, and ripar- ian wetlands utilized a two-season (leaf-off and peak phenological ... China, with many marshes, grass- lands, and alluvial oodplains in its watershed. The wetland area of Poyang Lake Basin has diverse ora and fauna and provides important...

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... informa- tion from the image by masking out the water bodies. Seven land cover types, includ- ing built-up area, wetland (with vegetation), grassland, forest, bare land, muddy beach, and farmland ... examining spectral characteris- tics, three groups of objects with spectral similarity were identied: (a) wetland and grassland/forest, (b) bare land and developing urban area, an...

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... (3.1) 22 Wetland and Water Resource Modeling and Assessment marsh vegetation and invasive species in fragmented coastal wetlands. Schmidt and Skidmore (2003), for example, examined and tested ... of wetlands and open water within the Meadowlands, and 12 km 2 of salt marsh vegetation including high marsh species Patens (Spartina patens) and Dis- tichlis (Distichlis...

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