中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Partitioning evapotranspiration of desert plants under different water regimes in the inland Heihe River Basin, Northwestern China

文献类型:期刊论文

作者Su, Peixi1; Li, Shanjia1,2; Zhou, Zijuan1; Shi, Rui1; Xie, Tingting1
刊名ARID LAND RESEARCH AND MANAGEMENT
出版日期2016-04-02
卷号30期号:2页码:138-152
ISSN号1532-4982
关键词Characteristic coefficient Heihe River plant transpiration soil evaporation water consumption water requirement
DOI10.1080/15324982.2015.1061616
通讯作者Su, Peixi(supx@lzb.ac.cn)
英文摘要Plant transpiration (T), soil evaporation (E), and the proportion of evaporation in evapotranspiration (ET), and their patterns of change were analyzed in a desert habitat along the middle and lower reaches of the Heihe River Basin, Gansu Province, China. Typical desert plants with different life forms were selected and small lysimeter observations were conducted; various species were measured under two soil water regimes using 50% (FC 50%) and 20% (FC 20%) of field capacity in 2 years. Under the FC 50% treatment the observed ratio of T to ET of desert plants was less than one-third, making the ratio of E to ET greater than two-thirds; the proportion of T to ET of desert plants increased to above 40%, and that of E declined to below 60% under the FC 20% treatment. The lowest T of desert plants was 130-140mm based on the plant crown projection area. The characteristic coefficient of ET of desert plants was twice that of the characteristic coefficient of transpiration. This study found that when ET was measured for the same desert plant species growing in different regions, the ET differed significantly (P<0.05) under the same water regimes; when comparing different plant species in the same region no obvious differences in the transpiration water requirement and ET were observed. The proportion of T in ET increased significantly and E in ET decreased markedly (P<0.05), if the soil moisture content declined to where the plants experienced water stress.
收录类别SCI
WOS关键词REFERENCE CROP EVAPOTRANSPIRATION ; MOJAVE DESERT ; TAMARIX-RAMOSISSIMA ; HALOXYLON AMMODENDRON ; SOIL EVAPORATION ; TRANSPIRATION ; REQUIREMENTS ; AGROFORESTRY ; RESPONSES ; STRESS
WOS研究方向Environmental Sciences & Ecology ; Agriculture
WOS类目Environmental Sciences ; Soil Science
语种英语
出版者TAYLOR & FRANCIS INC
WOS记录号WOS:000372085000002
URI标识http://www.irgrid.ac.cn/handle/1471x/2557380
专题寒区旱区环境与工程研究所
通讯作者Su, Peixi
作者单位1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Linze Inland River Basin Res Stn, Key Lab Land Surface Proc & Climate Change Cold &, Lanzhou 730000, Peoples R China
2.Lanzhou Univ Technol, Sch Life Sci & Engn, Lanzhou, Peoples R China
推荐引用方式
GB/T 7714
Su, Peixi,Li, Shanjia,Zhou, Zijuan,et al. Partitioning evapotranspiration of desert plants under different water regimes in the inland Heihe River Basin, Northwestern China[J]. ARID LAND RESEARCH AND MANAGEMENT,2016,30(2):138-152.
APA Su, Peixi,Li, Shanjia,Zhou, Zijuan,Shi, Rui,&Xie, Tingting.(2016).Partitioning evapotranspiration of desert plants under different water regimes in the inland Heihe River Basin, Northwestern China.ARID LAND RESEARCH AND MANAGEMENT,30(2),138-152.
MLA Su, Peixi,et al."Partitioning evapotranspiration of desert plants under different water regimes in the inland Heihe River Basin, Northwestern China".ARID LAND RESEARCH AND MANAGEMENT 30.2(2016):138-152.

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来源:寒区旱区环境与工程研究所

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