蒸散

修正温度法计算农作物蒸散量ET0研究

Study on the Method of Calculating ET_0 by Modifying Temperature

GIS环境下1999～2000年中国东北参考作物蒸散量时空变化特征分析

Analysis of temporal-spatial characteristics of reference evapotranspiration based on GIS technology in Northeast China during 1991 ~ 2000

10~（-10）Pa溅射离子泵和非蒸散型吸气剂的复合泵

Integration of Commercial Sputtering Ion Pumps with Non - Evaporative Getter

森林蒸散量日变化特点是白天高于夜间，中午最高，夜间潜热通量和显热通量（H）有低估的现象；

Forest evapotranspiration was higher in the daytime than that at night , with the highest value occurring at noon .

基于3S技术的区域蒸散研究进展

Progress of regional land surface evapotranspiration research based on 3S technology

采用喷砂和真空蒸散技术，改进了Ni海绵氧化物阴极制备方法。

The preparation method of the Ni sponge oxide cathode has been reformed by spouting sand and vacuum evaporating technology .

土壤水分和CO2浓度增加对小麦、玉米、棉花蒸散、光合及生长的影响

Effects of Soil Water and the Atmospheric CO2 Concentration Increase on Evapotranspiration , Photosynthesis , Growth of Wheat , Maize and Cotton

植被的PE（可能蒸散）指标与植被-气候分类（三）几种主要方法与PEP程序介绍

The potential evapotranspiration ( pe ) index for vegetation and VEGETATION-CLIMATIC classification (ⅲ) & an introduction of main methods and PEP program

基于MODIS数据的黄河三角洲区域蒸散发量时空分布特征

Characteristics of the spatial and temporal distribution for regional evapotranspiration in the Yellow River Delta based on MODIS data

基于ASTER的穗帽变换与区域蒸散模型研究

The Study of Tasseled Cap Transformation and Regional Evapotranspiration Models Based on ASTER

针对目前全球气候在降水和温度方面异常变化的情况，本文在利用信息技术对四川盆地的可能蒸散率（PER）在未来5种水热组合下的变化情况进行了模拟。

Considering global climate change unusually in precipitation and temperature , the author simulated its influence on the Potential Evapotranspiration Rate ( PER ) in Sichuan Basin under five kinds of climate combinations in the future using information technology .

利用Penman-Monteith法和蒸发皿法计算农田蒸散量的研究

The estimation of evaportranspiration with Penman - Monteith and evaporator methods

Penman-Monteith蒸散模型及其在森林下垫面中参数的确定

Penman-Monteith Evapotranspiration Model and Calculations of Its Parameters in Forest Underlying Surface

在土壤湿润深度为3cm时水份蒸散大，利用率高；

It had the best water evaporation rate and utilization with watering depth 3cm ;

潜在蒸散量根据每日的气象观测资料，用FAOPenman-Monteith公式进行计算。

Daily measured climate data are used to calculate potential evapotranspiration amount with FAO Penman - Monteith Equation .

研究森林蒸散耗水的生态机理与不同类型林木的耗水规律，结合遥感和GIS在测量与计算植被生态需水量的应用，提高区域林木需水量的计算精度；

We should study ecological mechanism of forest evapotranspiration and water consumption regularity of different forest tree , and combine remote sensing and GIS to measure and count forest tree ecological water requirements and raise accurate of it ;

在当前CO2浓度条件下，温度上升4℃导致的蒸散增加可使全样带自然植被的平均生物量和生产力分别下降32.1%和41.9%。

With CO2 remained unchanged and temperature increased by 4C , the induced increase in evapotranspiration could reduce the average biomass and net primary productivity ( NPP ) over the whole transect by 32.1 % and 41.9 % respectively .

1996年4月～6月在华北平原采用波文比－能量平衡法测定冬小麦田蒸散和CO2通量，求取冬小麦瞬时水分利用效率。

Evapotranspiration and CO 2 fluxes were measured using Bowen ratio energy balance method in winter wheat field in North China Plain from April to June 1996 and instantaneous water use efficiency ( WUE ) was obtained .

在典型农区，日蒸散量、NDVI的频率分布随作物生长季节的变化表现出一定的差异性。

The frequency distribution of the daily evapotranspiration and the NDVI is different in different crop growing seasons , which is mainly caused by the different vegetation indexes .

通过对彭曼-蒙蒂斯（Penman-Monteith）方法的修正和简化，确定了计算潜在蒸散和作物系数的模式。经验证，说明所建模式的效果是好的。

Models of potential evapotranspiration and crop coefficient are determined by the modification and simplification of the well-known Penman-Monteith Model .

日蒸散量与NDVI、地表温度呈线性相关，与海拔高度呈对数相关，与坡度、坡向无明显相关性。

The daily ET has a linear correlation with NDVI and surface temperature , has a logarithmic correlation with altitude , and has no significant correlation with slope and aspect .

近40a江河源区潜在蒸散量变化特征及影响因子分析

Trend of Potential Evapotranspiration and Its Main Impact Factors in the Source Regions of Yangtze and Yellow Rivers

基于Shuttleworth-Wallace双源模型的天然杨树蒸散量日变化研究

Study on diurnal variation of Populus evapotranspiration based on Shuttleworth-Wallace model

用Priestley-Taylor公式估算冬小麦农田实际蒸散

Computing Actual Evapotranspiration of Winter Wheat Field by Means of The Priestley & Taylor Formula

以简化Penman-Monteith作物蒸散量计算模型为基础，构建基于WEB平台的农田墒情监测与水分管理系统。

Which indicated a strong accordance between simulated and observed value . ( 5 ) On the basis of the predigested Penman-Monteith model , we build the field soil moisture monitoring and water management system base on WEB .

该文利用FAO推荐的作物系数乘以参考作物蒸散量的方法计算了华北地区6个站点近50年主要作物的需水量，并并分析了其变化趋势。

Crop water requirements of winter wheat and summer corn in North China in recent 50 years were calculated by the FAO approach , which equaled to crop coefficient ( multiplied ) by reference crop evapotranspiration .

结果表明：1春小麦蒸散量在降水或灌溉后1～2d最大，然后逐渐下降，说明春小麦的蒸散速度受土壤有效水分含量的影响；

The results are as follows : ① The evapotranspiration of spring wheat will reach the largest 1 ~ 2 days after rainfall or irrigation , then decreases gradually . That means the speed of evapotranspiration in spring wheat is affected by the soil water content .

结果认为该地区自20世纪70年代开始平均蒸散量有逐渐减小的趋势，与1980年相比，1998年区域年平均蒸散量减小了24mm。

The results show that the regional averaged evapotranspiration has a tendency of decreasing gradually during the past 40 years .

遥感估算区域蒸散进展明显，已提出了多种遥感估算模式。中国农作物复种指数的遥感估算方法研究&基于SPOT/VGT多时相NDVI遥感数据

Great progress has been made in remote sensing estimation of regional ET with several regional ET estimating approaches developed . A Study of Calculating Multiple Cropping Index of Crop in China Using SPOT / VGT Multi-Temporal NDVI Data

介绍了目前利用LANDSATTM和NOAA/AVHRR遥感资料进行非均匀地表区域地表能量通量和蒸发（蒸散）量研究的进展和存在的难点问题，并提出了解决问题的可能途径。

The progress and difficulties on the study of regional land surface heat fluxes over heterogeneous landscape by using Landsat TM and NOAA / AVHRR data were introduced in this study . The solving way of the difficulties was also proposed .