文章 palmer w cmeteorological drought[r] research paper no45 washington dc:us department of commerce, weather bureau, 1965: 45-58 被如下文章引用： title: 干旱监测与评价技术的发展及其科学挑战. 1965 meteorological drought - u s department of commerce john t connor, secretcrry weather 百度首页 登录 加入文库vip 享专业文档下载特权. Palmer drought severity index: attempts to measure the duration and intensity of the long-term drought-inducing circulation patterns long-term drought is cumulative, so the intensity of drought during the current month is dependent on the current weather patterns plus the cumulative patterns of previous months. palmer w c meteorological drought research paper no45, us weather bureau, 1965  shafer b a, dezman l e development of a surface water supply to. It has a timescale of approximately nine months, which leads to a lag in identifying drought conditions based upon simplification of the soil moisture component within the calculations this lag may be up to several months, which is a drawback when trying to identify a rapidly emerging drought situation.
Climate change, wmo technical note no 79 in: world meteorological organization, 79 geneva, switzerland moron v 1994 meteorological drought in: research. 45, 1965, 58 p palmer drought index, original article palmer (1965) meteorological drought , office of climatology palmer (1965) meteorological drought , office of climatology us weather bureau, research paper no. The broadly useful meteorological drought index, standardized precipitation index (spi), is an index that easy to implement and can provide not only the rainfall amount, but it also indicates. Prospects for dynamical prediction of meteorological drought next article previous article prospects for dynamical prediction of meteorological drought authors: xiao-wei quan x search for articles by this author, us weather bureau research paper 45, 58 pp pulwarty,.
Propagation of drought events is indicated by the arrows, dashed arrows represent a lack of recovery of the hydrological drought (meteorological drought ceased) for description, see table palmer, wc meteorological drought research paper no 45, us department of commerce, weather bureau, washington dc, 1965. Research paper no 45, us department of commerce weather bureau, washington, dc priestley and taylor, 1972 chb priestley , rj taylor on the assessment of surface heat flux and evaporation using large-scale parameters. Palmer wc (1965) meteorological drought (research paper no 45) us department of commerce, weather bureau, washington dc google scholar paltineanu cr, mihailescu if, prefac z, dragota c, vasenciuc f, claudia n (2008) combining the standardized precipitation index and climatic water deficit in characterizing droughts: a case study in romania.
The paper describes a new software package for automated estimation, display and analyses of various drought indices – continuous functions of precipitation that allow quantitative assessment of meteorological drought events to be made. 1 introduction drought is a natural local or regional phenomenon, its basic cause being the lack of precipitation over a time period drought may be studied from the environmental or the water resources point of view environmental droughts can be classified into meteorological drought, hydrological drought and agricultural drought. In this paper an estimation of drought in the sperchios river basin was conducted using the aridity index (ai) additionally, a seasonal analysis of drought was performed meteorological data from the hellenic national meteorological service (hnms) were used as inputs for the ai equation.
Meteorological drought (us department of commerce / weather bureau, research paper no 45) [wayne c palmer] on amazoncom free shipping on qualifying offers. Research paper no 45 meteorological drought wayne c palmer weather bureau research papers drought can be considered as a strictly meteorological phenomenon. Meteorological drought research paper no 45 however, because of the complexity of drought, there is no a unified drought index average precipitation in a given region, resulting in prolonged shortages in the water supply, whether atmospheric, surface water or the definition of a drought index is the foundation of drought research. This article reviews recent literature on drought of the last millennium, followed by an update on global aridity changes from 1950 to 2008. The results revealed that large proportion of the area, ie 3145% (3009km2) is at moderate drought risk level, whereas 17% (1568km2) of the area accounted for high drought risk.
W palmer, “meteorological drought,” research paper, us department of commerce weather bureau, washington dc, no 45, 1965 被如下文章引用： title: characterizing, monitoring and forecasting of drought in jordan river basin. In drought analysis, the meteorological stations are the number 10 is the constant value which is used evaluated to define meteorological drought at the first to make t positive in places where the temperature is step, the operational meteorological stations which below zero. Meteorological drought us weather bureau research paper no 28 palmer w c 1968 keeping track of crop moisture conditions, nationwide: the new crop moisture. The palmer drought index, sometimes called the palmer drought severity index and often abbreviated pdsi, is a measurement of dryness based on recent precipitation and temperature it was developed by meteorologist wayne palmer, who first published his method in the 1965 paper meteorological drought  for the office of climatology of the us.
Meteorological drought research paper no 45, u s weather bureau, washington, dc soil survey staff 1975 soil taxonomy a basic system of soil classification for. Palmer hydrological drought index (phdi) index name: palmer hydrological drought index (phdi) ease of use: yellow origins: part of the suite of indices developed by palmer in the 1960s with the united states weather bureau characteristics: based on the original pdsi and modified to take into account longer-term dryness that will affect water storage, streamflow and groundwater. Title: meteorological drought research paper no 45, 1965, 58 p author: palmer, wayne c subject: palmer drought index, original article keywords.