Analysis of the temporal and special characteristic of agricultural system vulnerability to drought

来源 :北京师范大学,中国自然辩证法研究会,中国灾害防御协会 | 被引量 : 0次 | 上传用户:a361583800
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  The existing of agricultural systems vulnerability to drought is the key reason that turn drought hazard into disaster.This paper discussed the conception of agricultural drought vulnerability and its exhibitions,analyzed agricultural drought vulnerability pressure and adjustment strategy at each spatial scale.It also studied the relationship between short term coping and long term adaptation in agricultural system.Further more,it emphasized the importance of transfer of emergency coping to integrated drought risk management.
其他文献
Natural Disasters Map can provide both the direct temporal and spatial information of the disaster-striken areas,therefore is one of the valid means to assess natural disasters and for disasters reduc
Typhoon which we concerned includes tropical storm,severe tropical storm and typhoon.The best track data record typhoon information,such as center location,central lowest pressure and maximum wind spe
The inventory management of storage pot of disaster relief materials are normally at the stage of estimate with experience.it is effective for disaster defense and prepareness to store disaster relief
We review advances in the monitoring of gully erosion,finding that there are few existing studies on the dynamic monitoring of gully erosion at different spatial and temporal scales.Here,high resoluti
The 4-Level Commanding System for Disaster Emergency Relief (hereinafter referred to as ‘the system) has been designed and set up for the disaster relief departments at the central,provincial,prefectu
This article divided HUANG-HUAI-HAI region into four climate divisions (A,B,C,and D) based on the climate region map of china,and calculated Standardized Precipitation Index (SPI) of different timesca
Since the founding of New China,governments of all levels piled up a set of effective disaster management and disaster relief experiences in the long-term struggle against natural disaster,formulated
In China,natural disasters are variety,in wide range and high frequency,multiply at the same time together with consequent demolishment.Recently,disasters are more and more serious.After most disaster
On the basis of blown sand observation of dunes,sandland and loess liang in hinterland of Mu Us sandland,wind profile and sand-blowing density are analyzed.Transport rate,sand flow structure and rough
Based on the remote sensing monitoring of soil moisture map of Beijing,Tianjin,Hebei in 2008,using ArcGIS 9.0,taking the map of administrative region in Hebei province as basic,the remote sensing moni