drought index是什么意思

网络释义

用法例句

Application of fractal theory in forecasting the drought index in the west of Jilin Province;

分形理论在吉林西部干旱指数预测中的应用

Analysis on the application of drought index in the dry-farming region of east Qinghai;

干旱指数及其在青海东部旱区特征分析上的应用

this paper introduces the calculation of the drought index of the various stations at monthly and annually based on the precipitation and evaporation data of each delegating station between 1966-2005.

本文应用1966-2005年长春地区各代表站的降水量和蒸发量资料,计算了各站各年、各月的干旱指数r。

The changing characteristics of temperature,rainfall and aridity index in recent 40 years in Shihezi region were analyzed in this paper.

分析了40 a气温、降水及干旱指数的变化特征,结果表明:(1)近40 a石河子地区平均温度以0。

Being the Palmer drought severity index—PDSI has been widely applied in the world since the 1960s.

结果表明:将径流量考虑到Palmer干旱指数中并改变蒸散量的算法,使得该指数对河西灌溉区干旱情况的监测均有所改善。

Based on the continuous observation data at the 90 meteorological sites in Xinjiang,a self-calibrating Palmer drought severity index(PDSI) is firstly used to investigate the annual and seasonal variation of drought and wet conditions in the region during 1961-2003.

利用新疆气象局提供的90个气象台站的连续观测记录,计算了1961~2003年新疆地区年平均和季节平均自适应Palmer干旱指数的气候态及其变化趋势,表明新疆地区气候就平均态而言整体上属于正常的气候条件,研究时段内年平均和季节平均气候以湿润化趋势为主要变化特征,定性的分析显示地表气温的持续上升倾向于引起干旱化,而降水的增加则有利于气候的湿润化趋势。

A kind of K drought index and its criterion are made by using spring precipitation and evaporation data of 140 stations in Northwest China from 1971-2000.

用西北地区140个气象站1971～2000年的春季降水、蒸发资料,计算了一种K干旱指数,并制定了干旱标准,分析了西北春季干旱的气候特征。

The application of K drought index for drought monitor operation in Gansu was introduced in this paper,and the mainly analysis was as follows:the definition,grades,criterion,application of K drought index,and the comparison between monitor results of K drought index and actual drought situation.

利用K干旱指数及其干旱监测预测业务系统,着重介绍了K干旱指数在甘肃省干旱监测业务中的应用。

Based on the principle of soil water balance,including precipitation,temperature and other observations,a model of soil drought index was built.

从土壤水分平衡原理出发,以降水量、温度和小流域水文因子等为基础,建立了土壤干旱指数模型,利用女儿寨小流域气象站的资料,计算小流域内土壤干旱指数,划分了干旱等级,并分析了土壤干旱的时空分配特征。

Based on the principle of soil water balance, including precipitation, temperature and other observations, this article built a model of soil drought index.

从土壤水分平衡原理出发,以降水量、温度和区域水文观测等因子为基础,建立了土壤干旱指数模型。

Application of Y Drought Index in Spring Drought Monitoring in East Hebei Province

Y干旱指数在冀东春旱监测中的应用

Application of Modified Palmer Drought Severity Index in Agricultural Drought Monitoring

修正帕默尔干旱指数在农业干旱监测中的应用

Research on Agricultural Drought Based on Temperature/Vegetation Dryness Index Analysis

基于温度植被干旱指数法的农业干旱研究

ECC Forecasting of Drought Index over Southeastern China in Summer;

我国东南夏季干旱指数的ECC预测方法

Study on integrated meteorological drought index based on PDSI and SPI

基于PDSI和SPI的综合气象干旱指数研究

Monitoring drought in mountainous area based on temperature/vegetation dryness index (TVDI);

温度植被干旱指数(TVDI)在复杂山区干旱监测的应用研究

Compare research of the regional arid characteristic base on Palmer drought severity index in spring over China;

基于帕默尔干旱指数的中国春季区域干旱特征比较研究

Application of Normalized Multiband Drought Index Method in Cropland Drought Monitoring

归一化多波段干旱指数在农田干旱监测中的应用

Reverse of Soil Moisture for Summer Drought Period in Hangzhou by Using TVDI Method

利用温度植被干旱指数(TVDI)方法反演杭州伏旱期土壤水分

Research on the Correlation between Palmer Drought Index and North Pacific Ocean SSTA Field in Jiangsu Province

江苏省帕尔默干旱指数与海温场关系的研究

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

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

The Drought Monitoring in Hexi Area Using the Runoff-denoted Z Index and the Palmer Index

径流量Z指数与Palmer指数对河西干旱的监测

The Applied Study on Agricultural Drought Monitoring

基于TVDI指数的农业干旱遥感监测应用研究

The Analysis of Drought Characteristic of Henan in Resent 40 Years Base on the Meteorological Drought Composite index

河南省近40a气象干旱综合指数特征分析

Analysis of different dryness/wetness index in Northwest China

PDSI和Z指数在西北干旱监测应用中差异性分析

Drought Monitoring Based on Temperature and Vegetation Index in Yuncheng City

基于温度植被指数法的运城市干旱监测

Analysis on Drought Characteristic of He'nan in Resent 40 Years Based on Meteorological Drought Composite Index

基于CI指数的河南省近40a干旱特征分析