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Characteristcs of Precipitation and Plantation and the Stemflow of Constracted Forest in Qianyanzhou Experimental Station
Author(s): CHEN Yongrui, LIU Yunfen, LIU Zuo, LIN Yaoming, CAI Yulin, SONG Xia
Pages: 175-
179
Year: 2003
Issue:
3
Journal: JIANGXI SCIENCE
Keyword: 千烟洲试区; 大气降水; 树干茎流;
Abstract: 对中国科学院千烟洲试验区大气降水特征及人工林树干茎流进行了研究,结果表明,年降雨量大部分集中在5~9月,其中以6月份最大,日降雨量级低于5.0 mm的小雨较多.干流量以木荷林的干流量最大,为41.30mm,其次是湿地松,为5.70mm,杉木林最小,为3.11mm,3种森林类型干流量的月际变化基本上都是随着降水量增加而增加,其中以木荷林较为明显.但是各森林类型的干流率则大至相同,有时降水量增大干流率反而减少,如1月份降水量为74.5mm,木荷林、湿地松林和杉木的干流量只有1.54mm、0.27mm和0.09mm,干流率却达到2.07%、0.33%和0.13%;7月份的降水量为353.7mm,干流量达到了7.14mm、0.80 mm和0.37 mm,干流率却只有2.02%,0.23%和0.10%.
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