干旱地区农业研究
榦旱地區農業研究
간한지구농업연구
AGRICULTURAL RESEARCH IN THE ARID AREAS
2013年
6期
220-224
,共5页
生态环境需水%变动范围法(RVA)%生态需水满足度%渭河中下游
生態環境需水%變動範圍法(RVA)%生態需水滿足度%渭河中下遊
생태배경수수%변동범위법(RVA)%생태수수만족도%위하중하유
eco-environment water requirements%Range of Variability Approach (RVA)%satisfaction of ecological water requirement%middle and downstream of Weihe River
维持河流生态环境系统健康的关键在于满足河流生态环境需水。变动范围法（RVA）被广泛应用于河流水文情势的变化研究。提出了基于RVA阈值的生态环境需水计算方法。将该方法应用到渭河中下游林家村、咸阳和华县三个断面，得出三个断面的生态环境需水分别为5．295亿m3、11．274亿m3和23．908亿m3。与三个断面以往的研究结果相比，该方法具有一定的适用性。通过分析三个断面不同时期的生态需水满足度，得出三个断面的生态需水满足度最小值出现时间集中于汛期的5月、6月、8月和9月。因而在进行水资源配置时，应注意汛期的生态环境需水调度。
維持河流生態環境繫統健康的關鍵在于滿足河流生態環境需水。變動範圍法（RVA）被廣汎應用于河流水文情勢的變化研究。提齣瞭基于RVA閾值的生態環境需水計算方法。將該方法應用到渭河中下遊林傢村、鹹暘和華縣三箇斷麵，得齣三箇斷麵的生態環境需水分彆為5．295億m3、11．274億m3和23．908億m3。與三箇斷麵以往的研究結果相比，該方法具有一定的適用性。通過分析三箇斷麵不同時期的生態需水滿足度，得齣三箇斷麵的生態需水滿足度最小值齣現時間集中于汛期的5月、6月、8月和9月。因而在進行水資源配置時，應註意汛期的生態環境需水調度。
유지하류생태배경계통건강적관건재우만족하류생태배경수수。변동범위법（RVA）피엄범응용우하류수문정세적변화연구。제출료기우RVA역치적생태배경수수계산방법。장해방법응용도위하중하유림가촌、함양화화현삼개단면，득출삼개단면적생태배경수수분별위5．295억m3、11．274억m3화23．908억m3。여삼개단면이왕적연구결과상비，해방법구유일정적괄용성。통과분석삼개단면불동시기적생태수수만족도，득출삼개단면적생태수수만족도최소치출현시간집중우신기적5월、6월、8월화9월。인이재진행수자원배치시，응주의신기적생태배경수수조도。
The key to keep healthy river eco-environment system is to meet its eco-environment water requirements . The Range of Variability Approach (RVA)is widely used to study the river hydrological change .This paper put forward the calculation method for the eco-environment water requirements based on the RVA threshold .This method has been applied to three sections as Linjiacun,Xianyang,Huaxian in the middle and downstream of Weihe River,obtained the eco-environment water requirements of these three sections was 529 .5 million m3,1 .1274 billion m3 and 2 .3908 billion m3,respectively.Compared with the past research results,this method has certain applicability.By analyzing the satis-faction of ecological water requirements at different period in these three sections,obtained the minimum value of the sat-isfaction was occurred and focus on the flood season as May,June,August and September .As a result,when carries out the water resources allocation,the eco-environment water requirements in flood season should be more paid attention .
