干旱指数

ɡān hàn zhǐ shù
  • drought index
干旱指数干旱指数
  1. 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 .

  2. 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

  3. 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

  4. 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

  5. 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 .

  6. 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 .

  7. 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 .

  8. 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 .

  9. 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 )

  10. 利用Keetch-Byram干旱指数预测森林火险

    Using Keetch-Byram Drought Index to Forecast Fire Danger Rating

  11. 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 .

  12. 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

  13. 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

  14. 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

  15. 我国东南部夏季干旱指数研究

    Study on drought index over the southeastern China in summer

  16. 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

  17. 湿润地区土壤干旱指数模型分析

    Analysis of Model of Soil Drought Index in Moist Area

  18. 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

  19. 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

  20. 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

  21. 中国西北夏季干旱指数研究

    Drought Index in Summer Season of Northwest China

  22. 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 .

  23. 黄土高原干旱指数分析

    Analysis on the Drought Index in Loess Plateau

  24. 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

  25. 江西干旱指数分析

    Analysis of aridity index of Jiangxi Province

  26. 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

  27. 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.

  28. 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

  29. 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 .

  30. 一种以能量平衡为基础的干旱指数

    An aridity index based on energy balance