WETLAND AND WATER RESOURCE MODELING AND ASSESSMENT: A Watershed Perspective - Chapter 16 potx

... 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 simulati...

Ngày tải lên: 18/06/2014, 16:20

... agricultural production, warm -water sh- ing, and navigation. Agriculture and forests are the two major land uses/covers in the Cass River watershed, accounting for 60% and 21% of the total land area, ... programs. 10.2 STUDY AREA The study area of this research is the Cass River watershed, a subwatershed of the Saginaw Bay watersheds. The Cass River watershed runs cross Huron...

Ngày tải lên: 18/06/2014, 16:20

... 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 ... Lake. The Xiushui watershed discharges water and sediments into Poyang Lake, which is the largest freshwater lake in China and an important international wetland wit...

Ngày tải lên: 18/06/2014, 16:20

... GIS data Biological supporting function Total area of a target wetland (BV1) Total area of a wetland in a potentially impacted location >75 percentile 1.0 Wetland data and maps ≥ 25 and < ... water resources and hydrological data, (4) public water supply and water quality data, (5) biological and envi- ronmental data, (6) socioeconomic and cultural data. (...

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

... 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...

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

... 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

... 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 interan- nual WASSI variability. ... by Taylor & Francis Group, LLC Degrees Celsius 44 Wetland and Water Resource Modeling and Assessment Communities need to accurately assess future water supply and d...

Ngày tải lên: 18/06/2014, 16:20

... described the water problem including seasonal drought and water stor- age capacity in a red soil area. Wang et al. (1996) 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) (Arno...

Ngày tải lên: 18/06/2014, 16:20