[1]Bian L, Gao Z, Ma Y, et al.2012.Seasonal variation in turbulent fluxes over Tibetan Plateau and its surrounding areas:Research note[J].J Meteor Soc Japan, 90(7):157-171.DOI:10.2151/jmsj.2012-C01.
[2]Brocca L, Melone F, Moramarco T, et al.2009.Soil moisture temporal stability over experimental areas in Central Italy[J].Geoderma, 148(3-4):364-374.DOI:10.1016/j.geoderma.2008.11.004.
[3]Brocca L, Melone F, Moramarco T, et al.2010.Spatial-temporal variability of soil moisture and its estimation across scales[J].Water Resour Res, 46(2):294-307.DOI:10.1029/2009W R008016.
[4]Brocca L, Tullo T, Melone F, et al.2012.Catchment scale soil moisture spatial-temporal variability[J].J Hydrol, 422:63-75.DOI:10.1016/j.jhydrol.2011.12.039.
[5]Crow W T, Berg A A, Cosh M H, et al.2012.Upscaling sparse ground based soil moisture observations for the validation of coarse resolution satellite soil moisture products[J].Rev Geophys, 50(2):3881-3888.DOI:10.1029/2011RG000372.
[6]Crow W T, Ryu D, Famiglietti J S.2005.Upscaling of field-scale soil moisture measurements using distributed land surface modeling[J].Adv Water Res, 28(1):1-14.DOI:10.1016/j.advwatres.2004.10.004.
[7]Dente L, Vekerdy Z, Wen J, et al.2012.Maqu network for validation of satellite-derived soil moisture products[J].International Journal of Applied Earth Observation and Geoinformation, 17(1):55-65.DOI:10.1016/j.jag.2011.11.004.
[8]Drusch M, Wood E F, Gao H.2005.Observation operators for the direct assimilation of TRMM microwave imager retrieved soil moisture[J].Geophys Res Lett, 32(15):237-253.DOI:10.1029/2005GL023623.
[9]Hills R C, Reynolds S G.1969.Illustrations of soil moisture variability in selected areas and plots of different sizes[J].J Hydrol, 8(1):27-47.DOI:10.1016/0022-1694(69)90029-8.
[10]Hong S Y, Pan H L.2000.Impact of soil moisture anomalies on seasonal, summertime circulation over North America in a regional climate model[J].J Geophys Res, 105(D24):29625-29634.DOI:10.1029/2000JD900276.
[11]Jacobs J M, Mohanty B P, Hsu E C, et al.2004.SMEX02:Field scale variability, time stability and similarity of soil moisture[J].Remote Sens Environ, 92(4):436-446.DOI:10.1016/j.res.2004.02.017.
[12]Lannoy G J M D, Houser P R, Verhoest N E C, et al.2007.Upscaling of point soil moisture measurements to field averages at the OPE3 test site[J].J Hydrol, 343(1-2):1-11.DOI:10.1016/j.jhydrol.2007.06.004.
[13]Martínez-Fernández J, Ceballos A.2005.Mean soil moisture estimation using temporal stability analysis[J].J Hydrol, 312(1-4):28-38.DOI:10.1016/j.jhydrol.2005.02.007.
[14]Reichle R H, Koster R D.2004.Bias reduction in short records of satellite soil moisture[J].Geophys Res Lett, 31(19):187-206.DOI:10.1029/2004GL020938.
[15]Reynolds S G.1974.A note on the relationship between size of area and soil moisture variability[J].J Hydrol, 22(1):71-76.DOI:10.1016/0022-1694(74)90096-1.
[16]Rosnay P D, Gruhier C, Timouk F, et al.2009.Multi-scale soil moisture measurements at the Gourma meso-scale site in Mali[J].J Hydrol, 375(1):241-252.DOI:10.1016/j.jhydrol.2009.01.015.
[17]Vachaud G, Desilans A P, Balabanis P, et al.1985.Temporal stability of spatially measured soil-water probability density-function[J].Soil Science Society of America Journal, 49(4):822-828.DOI:10.2136/sssaj1985.03615995004900040006x.
[18]Vinnikov K Y, Robock A, Qiu S, et al.1999.Optimal design of surface networks for observation of soil moisture[J].J Geophys Res, 104(19):743-750.DOI:10.1029/1999JD900060.
[19]Wang C, Zuo Q, Zhang R.2008.Estimating the necessary sampling size of surface soil moisture at different scales using a random combination method[J].J Hydrol, 352(3-4):309-321.DOI:10.1016/j.jhydrol.2008.01.011.
[20]Wen J, Su Z B, Ma Y M.2003.Determination of land surface temperature and soil moisture from tropical rainfall measuring mission/microwave imager remote sensing data[J].J Geophys Res, 108(D2):1-10.DOI:10.1029/2002jd002176.
[21]Zhao L, Yang K, Qin J, et al.2013.Spatiotemporal analysis of soil moisture observations within a Tibetan mesoscale area and its implication to regional soil moisture measurements[J].J Hydrol, 482(5):92-104.DOI:10.1016/j.jhydro.2012.12.033.
[22]Zeng Lan, Zhang Yong, Zhang Xue, et al.2004.A short-term model of supply-demand based remote sensing for crop monitoring and agriculture statistical data[J].J Remote Sens, 8(6):645-654.<br/>曾澜, 张勇, 张雪, 等.2004.基于遥感估产和农业统计的粮食供需平衡模型研究[J].遥感学报, 8(6):645-654.
[23]Chen Shaoyong, Guo Kaizhong, Dong Anxiang.2008.Research of variety rule of soil humidity in Loess Plateau of China[J].Plateau Meteor, 27(3):530-537.<br/>陈少勇, 郭凯忠, 董安祥.2008.黄土高原土壤湿度变化规律研究[J].高原气象, 27(3):530-537.
[24]Guo Maoshu.2009.Research of vegetaion coverage distritution changes of alpine grassland based on 3S technology[D].Lanzhou:Lanzhou University.<br/>郭述茂.2009.基于3S技术的高寒草地植被覆盖度分布特征及动态变化研究[D].兰州:兰州大学.
[25]Jia Dongyu, Wen Jun, Zhang Tangtang, et al.2014.Response of soil water content and soil thermal conductivity on precipitation in Loess Plateau[J].Plateau Meteor, 33(3):712-720.DOI:10.7522/j.issn.1000-0534.2014.00049.<br/>贾东于, 文军, 张堂堂, 等.2014.黄土高原降水对土壤含水量和导热率的影响[J].高原气象, 33(3):712-720.
[26]Kang Yue, Li Zhengchao, Tian Hui, et al.2011.Trend of vegetation evaluation and its responses to climate change over the source region of the Yellow River[J].Climatic Environ Res, 16(4):505-512.<br/>康悦, 李振朝, 田辉, 等.2011.黄河源区植被变化趋势及其对气候变化的响应过程研究[J].气候与环境研究, 16(4):505-512.
[27]Liu Chuan, Yu Ye, Xie Jing, et al.2015.Applicability of soil temperature and moisture in several datasets over Qinghai-Xizang Plateau[J].Plateau Meteor, 34(3):653-665.DOI:10.7522/j.issn.1000-0534.2015.00034.<br/>刘川, 余晔, 解晋, 等.2015.多套土壤温湿度资料在青藏高原的适用性[J].高原气象, 34(3):653-665.
[28]Liu Shaoming, Sun Rui, Sun Zhonghe, et al.2004.Comparison of different complementary relationship modes for regional evapotranspiration estimation[J].Acta Geographica Sinica, 59(3):331-340.<br/>刘绍民, 孙睿, 孙中平, 等.2004.基于互补相关原理的区域蒸散量估算模型比较[J].地理学报, 59(3):331-340.
[29]Ma Zhuguo, Fu Congbin, Xie Li, et al.2001.Some problems in the study on the pelationship between soil moisture and climate change[J].Adv Earth Sci, 16(4):563-568.<br/>马柱国, 符淙斌, 谢力, 等.2001.土壤湿度和气候变化关系研究中的某些问题[J].地球科学进展, 16(04):563-568.
[30]Pan Yongjie, Lü Shihua, Gao Yanhong, et al.2015.Simulation of influence of gravel on soil thermal and hydraulic properties on Qinghai-Xizang Plateau[J].Plateau Meteor, 34(5):1224-1236.DOI:10.7522/j.issn.1000-0534.2014.00055.<br/>潘永洁, 吕世华, 高艳红, 等.2015.砾石对青藏高原土壤水热特性影响的数值模拟[J].高原气象, 34(5):1224-1236.
[31]Sun Rui, Liu Changming, Zhu Qijiang.2001.Relationship between the fractional vegetation cover change and rainfall in the Yellow River basin[J].Acta Geographica Sinica, 56(6):667-672.<br/>孙睿, 刘昌明, 朱启疆.2001.黄河流域植被覆盖度动态变化与降水的关系[J].地理学报, 56(6):667-672.
[32]Tian Hui, Wen Jun, Shi Xiaokang, et al.2011.Estimation of soil moisture in summer by active microwave remote sensing for the Maqu area at the upper reaches of the Yellow River[J].Adv Water Sci, 22(1):59-66.<br/>田辉, 文军, 史小康, 等.2011.主动微波遥感黄河上游玛曲地区夏季土壤水分[J].水科学进展, 22(1):59-66.
[33]Wang Lei, Wen Jun, Wei Zhigang, et al.2008.Soil moisture on the west of Northwest China and its response to climate[J].Plateau Meteor, 27(6):1257-1266.<br/>王磊, 文军, 韦志刚, 等.2008.中国西北区西部土壤湿度及其气候响应[J].高原气象, 27(6):1257-1266.
[34]Wang Xin, Wen Jun, Wei Zhigang, et al.2009.Study on water deficit of the topsoil over the Chinese Loess Plateau mesa region[J].Plateau Meteor, 28(3):530-538.<br/>王欣, 文军, 韦志刚, 等.2009.中国黄土高原塬区表层土壤水分盈缺状况的研究[J].高原气象, 28(3):530-538.
[35]Wei Zhigang, Dong Wenjie, Hui Xiaoying.2000.Evolution of trend and interannual oscillatory variabilities of precipitation over Northwest China[J].Acta Meteor Sinica, 58(2):234-243.<br/>韦志刚, 董文杰, 惠小英.2000.中国西北地区降水的演变趋势和年际变化[J].气象学报, 58(2):234-243.
