1)topographic wetness index地形湿度指数
1.Current methods for calculating topographic wetness index have evident problems when applied in low relief area.地形湿度指数(topographic wetness index)可定量模拟流域内土壤水分的干湿状况,在流域的土壤及分布式水文模型等研究中具有重要的意义。
2.Topographic wetness index, with easy extraction and definite physical basis, has been applied to simulate and predict the spatial distribution of soil water and runoff widely, while the research and application of topographic wetness index on the Losses Plateau are still insufficient.地形湿度指数以其计算简单、物理意义明确而在国内外土壤水分分布的空间模拟与径流计算中广为应用,但在黄土高原区用其描述土壤水分空间分布状况尚缺乏研究。
3.By taking the Northern Shaanxi Loess Plateau as a study area, the topographic wetness index is calculated by using the single flow direction algorithm and multiple flow direction algorithm.以陕北黄土高原为实验样区,考虑到流向的计算方法会对计算地形湿度指数产生影响,因而采用单流向算法和多流向算法计算得到地形湿度指数,将地形湿度指数和实测土壤水分数据进行叠加,据此分析土壤水分与地形湿度指数的相关性。
英文短句/例句
1.Extraction of the Topographic Wetness Index Based on Slope Transformation of Coarser Resolution Slope考虑坡度变换的中低分辨率地形湿度指数提取
2.Extraction and Application of Topographic Wetness Index Based on DEM;基于DEM的地形湿度指数提取与应用研究
3.Correlation of Soil Moisture and Topographic Wetness Index at a Scale of Small Watershed小流域尺度土壤水分与地形湿度指数的相关性分析
4.Dampness, especially of the air.湿度湿度，尤指空气湿度
5.Soil Moisture of Yili and Bozhou Retrieved by Temperature Vegetation Dryness Index利用温度植被干旱指数反演伊犁博州地区土壤湿度
6.Assessment of regional soil moisture status based on characteristics of surface temperature/vegetation index space基于地表温度-植被指数特征空间的区域土壤干湿状况
7.MUTISCALE ANALYSIS OF VEGETATION INDEX AND TOPOGRAPHIC VARIABLES IN THE YELLOW RIVER DELTA OF CHINA黄河三角洲植被指数与地形要素的多尺度分析
8.Control of Sprinkling System Based on THI for Cooling Dairy Cows;基于温湿度指数的牛舍喷淋降温系统的控制
9.The incarnation of a Hindu deity, especially Vishnu, in human or animal form.降凡指天神，尤指印度教毗湿奴神下凡为人或动物形象
10.Diatom Biology Index Appraisal in Pond-wetland Combined Eco-system塘-湿地生态复合处理系统的硅藻生物指数评价
11.A Theoretical Analysis on the Effects of Relative Humidity on Static Friction Coefficient Based on Fractal Contact;基于分形接触的湿度对静摩擦因数影响分析
12.A land plant that grows in an environment having a moderate amount of moisture中生植物指在中等湿度环境中生长的陆地植物
13.Influence of Temperature-humidity Index in Different Seasons on Performance, Physiological and Biochemical Parameters of Cows不同季节温湿度指数对奶牛生产性能和生理生化指标的影响
14.Study on Purifying Low Concentration Domestic Sewage by Waved Subsurface Flow Wetlands;波形潜流湿地处理低浓度生活污水试验研究
15.Application of Temperature-Vegetation Dryness Index (TVDI) in Estimation of Soil Moisture in the HHH Plain温度植被干旱指数法(TVDI)在黄淮海平原土壤湿度反演中的应用研究
16.The time series analysis of the earth's surface humidity index change in the north of Xinjiang基于时间序列的北疆地区地表湿润指数变化分析
17.Research on the power-law exponent of non-stationary growth networks非平稳增长网络幂律度指数形成研究
18.Hot environments--Estimation of the heat stress on working man based on the WBGT-index(wet bulb globe temperature)GB/T17244-1998热环境根据WBGT指数(湿球黑球温度)对作业人员热负荷的评价
相关短句/例句
Wetness index湿度指数
1.Before extracting the wetness index from Digital Elevation Model(DEM),we have to treat pits existed in the DEM data,which is called pit-filling.湿度指数是TOPMODEL的重要输入。
3)humidity index湿度指数
4)Humidity Index (HI)湿度指数(HI)
5)temperature-humidity index (THI)温湿度指数
1.According to the life style of dairy cows, this study realizes the control of sprinkling system through controlling mode, which uses temperature-humidity index (THI) as a chief control parameter, also adding time parameter, thus efficiently reducing cow s heat stress.根据奶牛的生活习性,该控制系统以温湿度指数(THI)为主控参数,结合时间控制参数等,编制的定时控制喷淋降温模式,能使奶牛生活环境得到更为合理的控制,能更加有效的降低奶牛的热应激程度。
6)The wetness index湿润度指数
1.The wetness index and water deficiency in the surface has obvious difference among the five areas.使用1961-2000年河南省75个站的月降水量、月平均气温和相对湿度资料,计算了各站各年的湿润度指数,并在对该指数聚类分析的基础上对河南省进行了干湿区划。
延伸阅读
迁移效率指数、偏好指数和差别指数迁移效率指数、偏好指数和差别指数 迁移效率指数、偏好指数和差别指数迁移效率指数是用于测定两地间人口迁移效率的指标。它是净迁移对总迁移之比。计算公式为:EIM一摇寿纂拼又‘。。上式中，}人么夕一材方}为i、]两地净迁移人数;从少+材户为i、]两地总迁移人数;El入了为迁移效率指数。 EIM的取值范围为。至100，如某一地区的值越大，反映迁移的的影响也越大。如果计算i地区与其他一切地区之间的人口迁移效率指数EIM厂，则: }艺材。一芝Mj、}EIM汀艺。+乏M，(j笋i) 迁移偏好指数是从一个地区向另一地区的实际迁移人数与期望迁移人数之比。计算公式为:____M.___材尸2行一:一二子一一不石一二，么M“ 了厂‘.厂‘、八 }二不十二六二1 、厂厂7上式中，M“为从i地迁到j地的实际迁移量;艺材。为总的人口迁移量;尸为总人口;M尸I，j为迁移偏好指数。通过计算迁移偏好指数，可以反映各地区的相对引力。 迁移差别指数是反映具有某种特征的迁移人口与非迁移人口区别的指数。例如，专业技术人员的人数所占比重，各种文化程度人数所占比重等，以便研究人才流失和其他间题。计算公式为:M‘从IMD、一翌不丝xl。。 .义V‘ N上式中，M为迁移人数;M，为具有i特征的迁移人数;N为非迁移人数;N‘为具有i特征的非迁移人数;了八了D、为迁移差别指数。
