Floods and droughts occur also much more often 水涝干旱时常发生。
2.
Eg : the flooding of large areas of land was consequent upon the heavy rain 大片大片的土地水涝是由大雨引起的。
3.
The east and parts of the ( midwest suffered ) heavy ( rains ) and ( extreme ) heat 在东部和中西部的一些地区遭到了水涝和干旱的袭击。
4.
We educed the principal factors that led the young seedling of lilium tsingtauense population to die were imputed to the serious drought during l ~ 2years old , and the deficiency of soiar light in the communities , as well as in weaker intrinsic resistance to unthvorable environmental conditions 环境筛分析得出，导致青岛百合种群幼龄个体死亡的内在原因是其较弱的抗逆性和适应能力，外在原因是严重的干旱和水涝、群落内的光照不足及外界干扰。
5.
Landforms , soil , climate and characteristics of distribution in time and space in ningxia of draughts , disasters caused by wind and sand , floods and waterlodgging caused by hail , frost injury and earthquakes . the eighth chapter is on the relationships of environmental changing and the development of the agriculture and livestock husbandry in ningxia autonomous region which covers two sections : namely the historical processes of the human activities and the changing of the forests in ningxia , and the human activities and spreading of the deserts . the ninth chapter is a chapter that studies the regional divergence of the productivity level and the experiences and lessons of the development of agriculture and livestock husbandry 下篇是宁夏农牧业发展等因素与环境变迁的关系，这又包括三章：第七章是农牧业发展的自然条件，即地貌、土壤、气候，以及历史时期宁夏旱灾、风沙灾害、水涝灾害、雹灾、霜冻灾害、地震灾害的时空分布特征；第八章是宁夏农牧业发展等因素与环境变迁的关系，这包括人类活动与宁夏森林的变迁、人类活动与宁夏土地沙漠化的历史演进两部分；第九章是宁夏南、北农牧业生产力水平的地区差异及农牧业开发的经验教训。
6.
The purpose of this web site is to share my experiences with workers in any country on water logging in agricultural lands , irrigation induced soil salinity , subsurface drainage for agriculture ( horizontal and vertical ) , reuse of groundwater , ground - water hydraulics , ( geo ) hydrology , rainfall and surface runoff relations , reclamation and improvement of water logged saline , salty , sodic alkaline , and acid sulphate soils , plant growth , crop production and responses as well as statistical analysis consisting of segmented linear regression and cumulative frequency distributions 描述:探讨农业耕地的水涝问题；灌溉导致的土壤盐碱化；地表灌溉；地下水的再利用；地下水水力学；雨水与水流失的关系；浅地表排水；土壤开垦及水涝，酸性，碱性土壤的改良；片段线形回归和累积频数分布的统计分析等。
