干旱指数
- 名drought index
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结果表明KB干旱指数可以用来进行森林火险的预报,预报方法简单,与实际情况比较贴近。
The results indicate that the drought index can be used to forecast the fire danger .
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基于PDSI和SPI的综合气象干旱指数研究
Study on integrated meteorological drought index based on PDSI and SPI
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Palmer干旱指数在华北干旱分析中的应用
Analysis of Drought in Northern China Based on the Palmer Severity Drought Index
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Palmer干旱指数、地表湿润指数与降水距平的比较
Comparison of Palmer Drought Severity Index , Percentage of Precipitation Anomaly and Surface Humid Index
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利用全国515个站(1957-2000年)气象资料,修正计算帕默尔干旱指数(Palmerdroughtseverityindex),进行干旱区划和研究春季区域演变特征。
By modifying Palmer drought severity index base on the 515 stations meteorological data from 1957 to 2000 over China , regional arid evolution characteristic were analyzed in spring .
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利用标准化降水指数,参考修正的帕默尔(Palmer)干旱指数,建立适合于实时监测的旱涝指标体系。
Standardization precipitation index and correctional Palmer drought index are used to establish index system of monitoring drought and waterlogging .
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该文介绍了KB干旱指数的原理与应用方法,并根据气象资料分析了广州地区2000~2001年火险期内森林火险情况。
The paper introduces the theory and application method of the drought index . Meanwhile , fire danger analysis has been done for Guangzhou district in 2001-2002 fire seasons .
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经过用户需求分析、可行性分析,设计了系统的结构和功能,整个系统由干旱指数计算及查询、干旱分布图表的生成、GIS互动功能、数据库自动计算更新等四个模块构成。
Designed after well-manipulated and users requirement analysis , the structure and function of this system consist of four models ; drought index calculation and inquiry , generation of drought distribution diagram , GIS interaction function and the automatic regeneration of database .
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作物干旱指数(CWSI)和土壤干旱指数(SWSI)
Crop water stress index ( cwsi ) and soil water stress index ( swsi )
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利用Keetch-Byram干旱指数预测森林火险
Using Keetch-Byram Drought Index to Forecast Fire Danger Rating
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分析比较了国内外常用的一些干旱指数如降水量距平、标准化降水指数及PDSI等的原理和计算方法。
The meanings and methods of several drought indices such as precipitation anomaly , Standardized Precipitation Index and Palmer Drought Severity Index etc. are presented and compared .
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一种干旱指数计算方法的研究和应用
Study of a computation method for drought index and its application
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归一化多波段干旱指数在农田干旱监测中的应用
Application of Normalized Multiband Drought Index Method in Cropland Drought Monitoring
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修正帕默尔干旱指数在农业干旱监测中的应用
Application of Modified Palmer Drought Severity Index in Agricultural Drought Monitoring
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我国东南部夏季干旱指数研究
Study on drought index over the southeastern China in summer
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西北地区秋季干旱指数的变化特征
Analysis on the Change of Aridity Index in Northwest China in Autumn
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湿润地区土壤干旱指数模型分析
Analysis of Model of Soil Drought Index in Moist Area
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Y干旱指数在冀东春旱监测中的应用
Application of Y Drought Index in Spring Drought Monitoring in East Hebei Province
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甘肃东部春播期干旱指数的变化特征及预测
The Characteristics and Prediction of Spring Drought Index in the East Gansu Province
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干旱指数及其在青海东部旱区特征分析上的应用
Analysis on the application of drought index in the dry-farming region of east Qinghai
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中国西北夏季干旱指数研究
Drought Index in Summer Season of Northwest China
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在遥感干旱指数和气象干旱指数之间的相关性较差。
Drought index in remote sensing and meteorological drought index have very poor correlation .
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黄土高原干旱指数分析
Analysis on the Drought Index in Loess Plateau
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中国西北地区伏期干旱指数及干旱分析
Analysis on the Drought Index and Drought Events in Northwest China in the Hottest Season
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江西干旱指数分析
Analysis of aridity index of Jiangxi Province
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对我国年、季大气干旱指数的气候跃变分析
An analysis of the climate jump on seasonal and Annual Atmospheric drought indexes over China
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公元1949年前我国华北地区饥荒发生的面积与干旱指数成正相关;
Famine area is positively correlated with drought index in North China before 1949 A. D.
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分形理论在吉林西部干旱指数预测中的应用
Application of fractal theory in forecasting the drought index in the west of Jilin Province
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流域干湿变化分析表明空气湿度呈增加趋势,干旱指数呈减小趋势,并且干旱指数历年平均值序列最大熵谱分析存在5.7年显著周期。
Spectrum Analysis and Maximum Entropy Spectrum Analysis of arid index show 5.7 year period .
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一种以能量平衡为基础的干旱指数
An aridity index based on energy balance