WETLAND AND WATER RESOURCE MODELING AND ASSESSMENT: A Watershed Perspective - Chapter 6 docx

... described the water problem including seasonal drought and water stor- age capacity in a red soil area. Wang et al. (19 96) analyzed the variations in rainfall, evaporation, and water storage and supply ... 60 Wetland and Water Resource Modeling and Assessment have rarely been undertaken in the red soil areas of China. SWAT (Soil and Water Assessment Tool) (Ar...

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... prediction of water quality parameters. Landscape indices are gen- erally widely used tools for spatial landscape analyses and serve as standards for comparison between landscapes in different parts ... LLC 1 46 Wetland and Water Resource Modeling and Assessment 12.3 RESULTS A. Multivariate regression analysis suggested that the mean patch size of agri- culture and open l...

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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 ... is the largest freshwater lake in China, with many marshes, grass- lands, and alluvial oodplains in its watershed. The wetland area of Poyang Lake Basin has diverse ora a...

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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 ... spectral comparison of the built-up urban area with the muddy beach. © 2008 by Taylor & Francis Group, LLC 16 Wetland and Water Resource Modeling and Assessment bodies a...

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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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... 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 .60 41 (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 Wat...

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... accurately assess future water supply and demand if water limitations are to be minimized. However, estimates of average annual water sup- ply and demand will be of limited use in water planning. Water ... inter- annual variation in climate and potential loss of groundwater reserves. A doubling of local populations around metropolitan areas will have a limited impact on...

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... grandis was planted over 97% of a native grassland watershed. However, it took eight years to have a clear streamow impact after Pinus patula was planted over 86% of a native grassland watershed. ... mm/yr and a runoff ratio of 70.2%) than the 291-ha clear-cut watershed (2 76 mm/yr and a runoff ratio of 27.3%). In 1 969 , 60 % of the forested watershed was harvested...

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... topographic index bins, and A i [L 2 ] is the fractional catchment area corresponding to each bin. 94 Wetland and Water Resource Modeling and Assessment 8.3.2 MODEL CALIBRATION AND VALIDATION The ... local unsaturated zone storage due to gravity drainage, and param- eter t d is a time constant. Vertical drainage that depletes the water in the subsurface storm ow zo...

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... 9:59: 06 AM © 2008 by Taylor & Francis Group, LLC 110 Wetland and Water Resource Modeling and Assessment distributed agricultural runoff models and learned that there are no integrated spatially ... distributed watershed models of water and agricultural materials runoff and identies their limitations, and then presents our resultant distributed model of water...

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