Page 14 - 2024年第55卷第2期
P. 14
2021,31(11):35 - 36.
[26] 姚文广.抗御海河 “23·7” 流域性特大洪水的实践启示和检视思考[J].中国水利,2023(18):1 - 4.
[27] FUNKC,PETERSONP,LANDSFELDM,etal.Theclimatehazardsinfraredprecipitationwithstations—anew
environmentalrecordformonitoringextremes [J].ScientificData,2015,2(1):150066.
[28] GUTTMANNB.Acceptingthestandardizedprecipitationindex:acalculationalgorithm[J].JournaloftheAmeri
canWaterResourcesAssociation ,1999,35(2):311 - 322.
[29] WANGW,ZHUY,XUR,etal.DroughtseveritychangeinChinaduring1961 - 2012indicatedbySPIandSPEI
[J].NaturalHazards,2015,75(3):2437 - 2451.
[30] WANGH,CHENY,PANY,etal.AssessmentofcandidatedistributionsforSPI?SPEIandsensitivityofdrought
toclimaticvariablesinChina [J].InternationalJournalofClimatology,2019,39(11):4392 - 4412.
[31] 张建云,舒章 康,王 鸿 杰,等.郑 州 “7·20” 暴 雨 洪 涝 几 个 水 文 问 题 的 讨 论 [J].地 理 学 报,2023,78
(7):1618 - 1626.
[32] 杨宇涵,殷杰,王丹丹,等.基于 ABM的城市暴雨洪涝灾害应急疏散仿真研究———以河南郑州 “7·20”
特大暴雨洪涝灾害为例[J].中国科学(地球科学),2023,53(2):267 - 276.
[33] 陈文龙,杨芳,宋利祥,等.高密度城市暴雨洪涝防御对策———郑州 “7·20” 特大暴雨启示[J].中国水
利,2021(15):18 - 20,23.
[34] YANGZ,ZHAOT,TIANY,etal.AnintegratedassessmentoftropicalcyclonerisksinmainlandChinabycon
sideringhazard ,exposure,vulnerabilityandmitigation[J].HydrologyResearch,2022,53(8):1090 - 1106.
[35] 易雨君,徐雯钦,刘泓汐.雄安新区洪涝灾害等级序列重建及防洪标准分析[J].中国科学(技术科学),
2022,52(10):1543 - 1554.
[36] 任梅芳,徐宗学,庞博.变化环境下城市 洪 水 演 变 驱 动 机 理———以 北 京 市 温 榆 河 为 例 [J].水 科 学 进 展,
2021,32(3):345 - 355.
Incorporatingtemporalchangesintofloodlossassessments
1
1
2
2
WANGHao,ZHAOTongtiegang,TIANYu,CHENZecong,
2
2
ZHENGYanhui,CHENXiaohong
(1.StateKeyLaboratoryofSimulationandRegulationofWaterCycleinRiverBasin,ChinaInstituteofWaterResourcesand
HydropowerResearch,Beijing 100038,China;
2.CenterofWaterResourcesandEnvironment,SunYat - SenUniversity,Guangzhou 510275,China)
Abstract:FloodsareoneofthemostextensivenaturaldisastersinChina.Focusingontheassessmentsofsocioeco
nomiclosses,thispaperconstructsfloodlossfunctionsbyintroducingatimetermtoconsidertemporalchange.On
theonehand ,thefunctionsaccountforthestaticS - shapedcurverelationshipinwhichdisasterlossesincreasein
creasinglyandthengraduallywiththeintensityofdisaster - causingfactors ;ontheotherhand,thefunctionstake
dynamicchangesofdisasterlossesovertimeintoconsiderationbythethreeparametersofmagnitude,shapeandlo
cation.Basedonthedatasetofflood - affectedpopulationanddirecteconomiclossprovidedbythe“ChinaFlood
andDroughtDisasterPreventionBulletin”,assessmentsofflooddisasterlossesareconductedforeachprovincial
administrativeregionfrom2006to2021.Theresultsshowthatbyfittingthefloodlossfunctions ,thescatterplotsof
floodlosswithrespecttodisasterfactorintensityandtimecanbeeffectivelyexpandedintocontinuousthree - dimen
sionalsurfacesandtwo - dimensionalheatmaps.Theflood - affectedpopulationinvariousprovincialadministrative
regionsgenerallyshowsatrendofdecreasingyearbyyearandtendstoincreasewiththeincreaseoftheintensityof
disaster - causingfactors.Thedirecteconomiclossesofvariousprovincial - leveladministrativeregionsshowconsid
erabledifferences ,withcharacteristicssuchassharpdecline,slowdeclineandslightincreaseovertime.The
floodlossfunctionsconsideringtemporalchangescanserveasaneffectivetoolfordisasterassessmentunderchan
gingenvironments ,andprovidesreferenceforregionalflooddisasterassessments.
Keywords:floodhazard;disasterfactors;lossfunction;flood - affectedpopulation;directeconomicloss;non -
stationarity
(责任编辑:耿庆斋)
— 1 3 —
6