1) irrigation water benchmark quota
灌溉用水基准定额
1.
Aiming at present situation of irrigation water supply in Henan province,main crops irrigation water benchmark quota and adjustment coefficient of different irrigation areas and Henan province in normal to low precipitation years had been concluded according to regression analysis model,basing on a great deal of research data.
针对河南省现状灌溉用水情况,在大量调研资料的基础上通过回归分析模型计算得出不同灌溉分区及全省平偏枯年份主要作物灌溉用水基准定额和调节系数,进而确定了不同灌溉条件下各作物的灌溉用水定额。
2) irrigation water quota
灌溉用水定额
1.
Determination of agricultural irrigation water quota of Yunnan Province;
云南省农业灌溉用水定额标准的编制
2.
In the paper the definition of irrigation water quota is described and affecting factors of irrigation water quota are discussed.
阐明了灌溉用水定额的内涵,探讨了灌溉用水定额的影响因素,并选择云南省元江县进行灌溉用水定额分析,讨论编制灌溉用水定额的相关问题,最后提出了对策措施。
3.
The meaning and calculation method of irrigation water quota were analyzed in this paper.
分析了灌溉用水定额的内涵以及确定方法,并利用云南省30个典型县的水稻灌溉用水定额数据,分别用克里金(Kriging)法和距离反比法插值并绘制云南省水稻灌溉用水定额等值线图,对两种插值结果进行比较表明:克里金法插值优于距离反比法。
3) irrigation water qutoa
灌溉用水定额
1.
A study on zoning of Yunnan Province irrigation water qutoa;
云南省灌溉用水定额分区研究
4) water saving irrigation norm
节水灌溉定额
5) irigation system of rice
水稻灌溉定额
6) sewage irrigation norm
污水灌溉定额
补充资料:灌溉用水过程线
灌溉用水过程线
hydrograph of irrigation water
guan,gai yongshui灌溉用水过程线guoehengxian (hydrograPhOf irri,gation water)以灌区(或种植区)的灌溉用水流量为纵坐标,时间为横坐标绘成的图(见图)。横坐标的时间单位一般采用旬或五日,一年为一个用水周期。 灌溉用水过程线比较直观,使用方便。常根据它绘制来水、用水量差值累积曲线,用以进行灌溉水库的径流调节计算,确定设计引水流量,编制水库调度0 nUnqdq乙.遥E一亡)汀圳艇月史 九黔黔上}中}下}到中}日日中}下!上}中川LI中}下!上1中}万二{三l四五与旬八l月中一十 灌溉用水过程线示意图计划,渠道引水计划,渠系配水计划等。不同年份(如干旱年、中等年、湿润年)的灌溉用水过程线不同。通常采用多年平均灌溉用水过程线。对于具有灌溉、供水、航运、发电等多目标利用的渠道,灌溉用水是综合用水过程线的组成部分。(朱光大)
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参考词条