世界气象组织（WMO）：2021年全球水资源状况报告（英文版）（36页）.pdf

1、STATE OF GLOBAL WATER RESOURCES 2021WEATHER CLIMATE WATERWMO-No.1308Cover photo:Muhammad Amdad Hossain(Bangladesh)WMO-No.1308 World Meteorological Organization,2022The right of publication in print,electronic and any other form and in any language is reserved by WMO.Short extracts from WMO publicati

2、ons may be reproduced without authorization,provided that the complete source is clearly indicated.Editorial correspondence and requests to publish,reproduce or translate this publication in part or in whole should be addressed to:Chair,Publications BoardWorld Meteorological Organization(WMO)7 bis,a

3、venue de la Paix Tel.:+41(0)22 730 84 03P.O.Box 2300 Email:publicationswmo.intCH-1211 Geneva 2,SwitzerlandISBN 978-92-63-11308-5NOTEThe designations employed in WMO publications and the presentation of material in this publication do not imply the expression of any opinion whatsoever on the part of

4、WMO concerning the legal status of any country,territory,city or area,or of its authorities,or concerning the delimitation of its frontiers or boundaries.The mention of specific companies or products does not imply that they are endorsed or recommended by WMO in preference to others of a similar nat

5、ure which are not mentioned or advertised.The findings,interpretations and conclusions expressed in WMO publications with named authors are those of the authors alone and do not necessarily reflect those of WMO or its Members.ContentsForeword.3Acknowledgemnts.4Executive summary.6Introduction.7Stream

6、flow.9Discharge 2021:Global and regional perspectives.9The global perspective.9Examples of basin-scale assessments based on observations.11Terrestrial water storage .17Global perspective.17Continental and regional perspectives.17High-impact events 2021 .21Global perspective.21Local perspectives .21C