登入選單
返回Google圖書搜尋
Simulation of Pollution by Soil Erosion and Soil Nutrient Loss
註釋Model description. General structure. Major assumptions. hydrologic transport model. Soil moisture. Snow and snowmelt. Runoff. evapotranspiration. Percolation. Sediment. Soil notrogen model. Mineralization. Crop uptake. Runoff and percolation losses of inorganic nitrogen. Computational sequence. Soil phosphorus model. Phosphorus partitioning. Crop uptake. Runoff and percolation losses of dissolved phosphorus. Runoff losses of solid-phase phosphorus. Input data for the CNS model. Validation studies. Model paramenters for validation runs. Soil and field paramenters. Nutreint applications and crop uptakes. Cropping dates, curve numbers and cover factors. Validation results. Watkinsvelle, GA sites. Aurora, NY sites. Generation of synthetic weather records.Generationg models for daily precipitation and temperature. Preciptation. Temperature. Testing of distributions. Model summaries. comparisons of generated weather sequences. Precipitation. Temperature. Operational testing of weather models. Model requirements. Surface nutrients. Soil organic nitrogen. Crop growth. Storm erosivities.