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36篇 您的检索式：作者名="Moses LE"

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	题名	作者	年代	出处	被引量
1	Comparison of two remote sensing models for estimating evapotranspiration: algorithm evaluation and application in seasonally arid ecosystems in South Africa显示文摘Remote sensing tools are becoming increasingly important for providing spatial information on water use by different ecosystems. Despite significant advances in remote sensing based evapotranspiration(ET) models in recent years, important information gaps still exist on the accuracy of the models particularly in arid and semi-arid environments. In this study, we evaluated the Penman-Monteith based MOD16 and the modified Priestley-Taylor(PT-JPL) models at the daily time step against three measured ET datasets. We used data from two summer and one winter rainfall sites in South Africa. One site was dominated by native broad leaf and the other by fine leafed deciduous savanna tree species and C4 grasses. The third site was in the winter rainfall Cape region and had shrubby fynbos vegetation. Actual ET was measured using open-path eddy covariance systems at the summer rainfall sites while a surface energy balance system utilizing the large aperture boundary layer scintillometer was used in the Cape. Model performance varied between sites and between years with the worst estimates(R2<0.50 and RMSE>0.80 mm/d) observed during years with prolonged mid-summer dry spells in the summer rainfall areas. Sensitivity tests on MOD16 showed that the leaf area index, surface conductance and radiation budget parameters had the largest effect on simulated ET. MOD16 ET predictions were improved by:(1) reformulating the emissivity expressions in the net radiation equation;(2) incorporating representative surface conductance values;and(3) including a soil moisture stress function in the transpiration sub-model. Implementing these changes increased the accuracy of MOD16 daily ET predictions at all sites. However, similar adjustments to the PT-JPL model yielded minimal improvements. We conclude that the MOD16 ET model has the potential to accurately predict water use in arid environments provided soil water stress and accurate biome-specific parameters are incorporated.	Sebinasi DZIKITI Nebo Z JOVANOVIC Richard DH BUGAN Abel RAMOELO Nobuhle P MAJOZI Alecia NICKLESS Moses A CHO David C LE MAITRE Zanele NTSHIDI Harrison H PIENAAR	2019	Journal of Arid Land2019，11，4：	4
2	Combibing independent studies of a diagnostic test into a summary ROC curve: data-analytic approaches and some additional consideration 显示文摘	Moses LE Shapiro D Littenberg B	1993	Statistics in Medicine1993，12，：	1
3	Combining independent stud- ies of a diagnostic test into a summary ROC curve:data-analytic ap- proaches and some additional considerations显示文摘	Moses LE Shapiro D Littenberg B	1993	Stat Med1993，12，14：	1
4	Combining independent studies of a diagnostic test into a summary ROC curve: data-analytic approa- ches and some additional considerations显示文摘	Moses LE Shapiro D Littenberg B	1993	Stat Med1993，12，14：	1
5	Combibing independent studies of a disgnostic test into a summary ROC curve : data-analytic approaches and some additional consideration 显示文摘	Moses LE Shapiro D Littenberg B	1993	Statist Med1993，12，：	1
6	Combining independent studies of a diagnostic test into a summary ROC curve: Dataanalytic approaches and some additional considerations 显示文摘	Moses LE Shapiro D Littenberg B	1993	Stat Med1993，12，14：	1
7	Modeling placental transport: correlation of in vitro BeWo cell permeability and ex vivo human placental perfusion 显示文摘	Poulsen MS Rytting E Mose T Knudsen LE	2009	Toxicol In Vitro2009，23，7：	1
8	Combining inde-pendent studies of a diagnostic test into a summaryROC curve: data-analytic approaches and some addi-tional considerations显示文摘	Moses LE Shapiro D Littenberg B	1993	Medicine Statistics1993，12，14：	1
9	Combining independent studies of a diagnostic test into a summary ROC curve:data-analytic approaches and some additional considerations 显示文摘	Moses LE Shapiro D Littenberg B	1993	Stat Med1993，12，14：	1
10	Combibing independent studies of a disgnostic test into a summary ROC curve: data-analytic approaches and some additional consideration显示文摘	Moses LE Shapiro D Littenberg B	1993	Statistics in Medicine1993，12，：	1
11	Combining independent studies of a diagnostic test into a summary ROC curec: data- analytic approaches and some additional considerations 显示文摘	Moses LE Shapiro D Littenberg B	1993	Stat Med1993，12，14：	1
12	Combining independent studies of a diagnostic test into a summary ROC curve:data-analytic approaches and some additional considerations显示文摘	Moses LE Shapiro D Littenberg B	1993	Stat Med1993，12，14：	1
13	Combining independent studies of a diagnostic test into a summary ROC curve:dataanalytic approaches and some additional considerations显示文摘	Moses' LE Shapiro D Littenberg B	1993	Stat Med1993，12，14：	1
14	Combining independent studies of a diagnostic test into a summary ROC curve: data-analytic approaches and some additional considerations显示文摘	Shapiro D Littenberg B	1993	Stat Med1993，12，14：	1
15	Water relations and the effects of clearing invasive Prosopis trees on groundwater in an arid environment in the Northern Cape, South Africa显示文摘	S. Dzikiti K. Schachtschneider V. Naiken M. Gush G. Moses D.C. Le Maitre	2013	Journal of Arid Environments2013，，：	1
16	Combining independent stu-dies of a diagnostic test into a summary ROC curve:data-analytic approaches and some additional considerations显示文摘	Moses LE Shapiro D Littenbeyg B		0，，14：	1
17	Estimating diagnostic accuracy from multiple conflicting reports: a new meta-analytic method显示文摘	Littenberg B Moses LE	1993	Med Decis Making1993，13，4：	1
18	Combining independent studies of a diagnostic test into a summary ROC curve: data-analytic approaches and some additional considerations 显示文摘	Moses LE Shapiro D Littenberg B	1993	Stat Med1993，12，14：	1
19	Combining independent stud-ies of a diagnostic test into a summary ROC curve; data-analyticapproaches and some additional considerations 显示文摘	Moses LE Shapiro D Littenberg B	1993	Stat Med1993，12，14：	1
20	Combining independent studies of a diagnostic test into a summary ROC curve:data-analytic approaches and some additional considerations显示文摘	Moses LE Shapiro D Littenberg B	1993	Stat Med1993，12，14：	1

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