Supplemental table and figure for "Evaluation of Winter Hydrology Performance of Three Field-Scale Models"

The deterioration of Lake Erie's water quality is one of the major concerns in North America. A considerable percentage of annual phosphorus runoff occurs during the non-growing season in cold agricultural regions such as those in the Great Lakes region. Consequently, without accurate simulation of water flow during cold periods, reliable modeling of sediment and nutrient loads to surface water bodies is not achievable. Three hydrological models (EPIC, SHAW, and DRAINMOD) were evaluated for their capacity to predict winter tile flow and to highlight the significant processes that have a larger effect on runoff simulation at a field site in Southern Ontario, Canada.

伊利湖水质退化是北美地区的一大关注焦点。在冷温带农业区域，如五大湖地区，相当比例的年磷流失发生在非生长季节。因此，若无法准确模拟冷期的水流，则无法实现对地表水体沉积物和养分负荷的可靠建模。本文评估了三种水文模型（EPIC、SHAW和DRAINMOD）在预测冬季地砖水流及突出对加拿大南部安大略省一个田间站点 runoff 模拟影响显著的流程方面的能力。