WETLAND AND WATER RESOURCE MODELING AND ASSESSMENT: A Watershed Perspective - Chapter 5 doc

... and Water Budget © 2008 by Taylor & Francis Group, LLC 50 Wetland and Water Resource Modeling and Assessment 5. 2.8 .5 Scenario 5: Large Population Increase—Wet Year (20 45) , No Groundwater ... LLC 54 Wetland and Water Resource Modeling and Assessment Land use planners should carefully review the implication of groundwater loss on local economies and c...

Ngày tải lên: 18/06/2014, 16:20

... 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...

Ngày tải lên: 18/06/2014, 16:20

... (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...

Ngày tải lên: 18/06/2014, 16:20

... 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) (Arnold et al. 1998) is a distributed ... 2003. Quantication and simulation of sur- face runoff from fescue grassland watersheds. Agricultural Water Management, no. 59 : 137– 153 . Chen, Z. F., and X. X. Zhang. 2002....

Ngày tải lên: 18/06/2014, 16:20

... 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...

Ngày tải lên: 18/06/2014, 16:20

... 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 ... Specic land use and land cover (LULC) types, such as “cropland” and “urban”, are associated with human activities and their physical characteristics often affect water quality....

Ngày tải lên: 18/06/2014, 16:20

... 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...

Ngày tải lên: 18/06/2014, 16:20

... 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...

Ngày tải lên: 18/06/2014, 16:20

... vegetated watersheds. The average annual precipitation was about 400 mm. Greater than 95% of precipitation evapotranspirated, and less than 5% precipitation became stream- ow as inltration-excess ... impacts on groundwater recharge, soil moisture, and baseow. For- estation in wetland- dominated watersheds may have little effect on overall watershed hydrology since water balance...

Ngày tải lên: 18/06/2014, 16:20

... are no integrated ne-resolution spatially distributed, physically based watershed- scale hydrological /water quality models available to evaluate movement of materials (sediments, animal 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 conservati...

Ngày tải lên: 18/06/2014, 16:20