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麻烦哪位大神帮忙给翻译一下，不胜感激喏，谢谢谢谢~~~~ 利用2013年7-9月生长季观测的21场降雨数据，对寒温带的落叶松、白桦、山杨和蒙古栎4个典型树种树干茎流量特征及其影响因素进行了综合分析，结果表明:（1）该地区大气降雨分别为522.7、498.1mm，单次平均降雨量24.9、23.7mm，单次最大降雨102.3、96.1mm，单次最小降雨2.2、2.6mm，其中7月降雨量最大最大为258.1、240.6mm；（2）不同干扰程度的落叶松林穿透雨与降雨量呈二次函数关系，而树干茎流量与降雨量的关系除山杨呈幂指数函数关系外，其他树种均呈二次函数关系，穿透雨、树干茎流量均随着降雨量的增加而增加；（3）降雨量和树种变化对4个树种的树干茎流量也会有很大的变化，不同树种树干茎流量的月际变化与降雨量月变化规律不太一致；（4）树干茎流量与冠形结构进行多元回归分析，这些方程的复相关系数R2范围为0.458~0.658，树干茎流量与冠形结构之间的关系不如树干茎流量与降雨量之间的关系紧密。 |
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RXMCDM: 金币+1, 多谢应助！ 2014-09-22 08:34:02
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RXMCDM: 金币+1, 多谢应助！ 2014-09-22 08:34:02
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| Based on rainfall data collected during growing season from July to September,2013, trunks flow characteristics of 4 typical tree species in cold temperate zone-larch, white birch, aspen and Mongolian oak, and corresponding influence factors were comprehensively analyzed in this paper. The results have shown that: (1) the atmospheric rainfall in this region is 522.7、498.1mm, single average rainfall 24.9、23.7mm, single maximum average rainfall 102.3、96.1mm, single minimum average rainfall 2.2、2.6mm, and the maximum rainfall in July is 258.1、240.6mm; (2) under different disturbing levels, the mathematic relation between penetrated rainfall and overall rainfall in larch forest is quadratic function, and mathematic relations between trunks flow and overall rainfall is quadratic function , as well for 3 kinds of forests besides aspen forest, where the same mathematic relation is power exponent function, and for all 4 cases, penetrated rainfall and trunks flow increase with increasing of overall rainfall; (3) the overall rainfall and change of tree species affect trunks flow of 4 kinds of trees greatly, and the change rules between month change of trunks flow and change of rainfall for 4 different tree species are different; (4)multivariate regression analysis is conducted for analyzing the relation between trunks flow and crown-shaped structure, and these functions’ multiple correlation coefficients are 0.458~0.658, and relation between trunks flow and crown-shaped structure is looser than one between trunks flow and overall rainfall. |
2楼2014-09-21 23:26:50