MODELING OF NONPOINT SOURCE POLLUTION OF NITROGEN AT THE WATERSHED SCALE 1
MODELING OF NONPOINT SOURCE POLLUTION OF NITROGEN AT THE WATERSHED SCALE 1
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流域尺度 1 氮非点源污染建模
DOI：
10.1111/j.1752-1688.1998.tb04141.x
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发表时间：
1998
期刊：
影响因子：
--
通讯作者：
N. Nikolaidis
中科院分区：
文献类型：
--
作者：
H. Heng;N. Nikolaidis
摘要：流域养分传输和转化（NTT-Watershed）模型是一个基于物理的、能源驱动的、多土地利用的分布式模型，能够模拟流域中的水分和养分传输。流域的地形特征和地下特性被细化为均匀、同质的正方形网格。垂直离散化包括植被、地表径流、土壤水再分布和地下水区。化学子模型模拟陆地和水生系统中的氮动态。考虑了三种化学状态变量（NO3--、NH 4+和NO3--N）。NTT-Watershed模型用于模拟康涅狄格州Muddy Brook流域氮的去向和迁移。该模型被证明是能够捕获的水文和部分流域中的氮动态。流域规划者可以使用这个模型在制定战略的最佳管理实践，可以导致最大限度地减少氮输出从一个流域。
ABSTRACT: The Watershed Nutrient Transport and Transformation (NTT‐Watershed) model is a physically based, energy‐driven, multiple land use, distributed model that is capable of simulating water and nutrient transport in a watershed. The topographic features and subsurface properties of the watershed are refined into uniform, homogeneous square grids. The vertical discretization includes vegetation, overland flow, soil water redistribution and groundwater zones. The chemical submodel simulates the nitrogen dynamics in terrestrial and aquatic systems. Three chemical state variables are considered (NO3‐‐, NH4+, and Org‐N). The NTT‐Watershed model was used to simulate the fate and transport of nitrogen in the Muddy Brook watershed in Connecticut. The model was shown to be capable of capturing the hydrologic and portions of the nitrogen dynamics in the watershed. Watershed planners could use this model in developing strategies of best management practices that could result in maximizing the reductions of nitrogen export from a watershed.