首页> 外文期刊>Australian journal of water resources >Spatially Explicit Modelling Of The Hydrologic Response Of Bushfires At The Catchment Scale
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Spatially Explicit Modelling Of The Hydrologic Response Of Bushfires At The Catchment Scale

机译:流域尺度上丛林火的水文响应的空间显式建模。

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This paper reports on a broad-scale assessment of water yield impacts of the 2003 Alpine bushfires, which burnt over 1 million ha across northeastern Victoria and southern NSW, including catchments of a number of key water storages, such as Hume and Dartmouth Dams, and also the Gippsland Lakes. A new model - Bushfire Impact on Streamflow Yield (BISY) - was developed to estimate the change in streamflow. Streamflow response curves were derived for the different species, which were based upon recorded streamflows and transposed based upon the mean annual rainfall. The impact on streamflow was estimated for 12 catchments ranging in size from approximately 500 to 10,000 km~2. For each catchment an annual streamflow response curve was produced at the catchment outlet, as well as spatially explicit data sets showing change in streamflow across the catchment. The results were aggregated to estimate the total change in mean annual streamflow for the River Murray and Gippsland Lakes.
机译:本文报告了对2003年高山丛林大火对水产生的影响的大规模评估,该大火在维多利亚州东北部和新南威尔士州南部燃烧了超过100万公顷,包括一些重要的蓄水区,例如休姆和达特茅斯大坝,以及还有吉普斯兰湖。开发了一种新模型-丛林大火对水流产量的影响(BISY),以估算水流的变化。根据记录的水流量得出不同物种的水流量响应曲线,并根据年平均降雨量进行转置。估计有12个集水区对水流的影响,范围从大约500到10,000 km〜2。对于每个集水区,在集水区出口处都会产生年度流量响应曲线,以及显示整个集水区流量变化的空间显式数据集。对结果进行汇总,以估算默里河和吉普斯兰湖的年平均流量的总变化。

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