湖南农业干旱脆弱性分区研究_杨奇勇.pdfVIP

第 1 8 卷第3 期 水 资源 与水 工程 学报 V o l. 18 No . 3 2 0 0 7 年 6 月 Jo urnal o f Water Reso urces Wat er Eng ineering J un . , 20 0 7 　 杨奇勇, 李景保, 蔡松柏 ( , 4 1008 1) : , , 97 ( ) , : 11 , 2 3 , 27 , 20 , 16 : : S 42 3: A : 1672 -643X( 2007) 03-004 6-04 Zoning study for the frangibility of agricultural drought in Hunan Province - , - , - YANG Qi yong LI Jing bao CAI Song bo ( Colleg e of R es our ces E nv ir onment Sc ience , H u nan N ormal Un iv er sity , Chang sha , H u nan 4 1008 1, Ch ina) : , , Abstract In t he p ap er by using t he method of incidence clust er ing t he index syst em f or t he fr ang ibilit y z oning of ag ricult ur al dr ought in Hu nan Pr ovince h ave been established. T his p aper applied t he near met hod t o set up t he mat hemat ic model and carried out the z oning st u dy f or t he fr ang ibilit y o f agricult ural droug ht of 97 frangibilit y . T he z oning result has show n t h at t here w er e 11 ext remely seriou s f rang ible region s, 2 3 ser io us o nes , 27 under seriou s ones, 20 general ones and 16 light ones. ey words: agr icul tural drought frangibility zoning Hu nan Pr ovince 2005 8 2 8 2 , , 3. 9710 hm , 1. 8810 hm ,