bottomland

英

美

网络  洼地; 泛滥地

COCA.25497

英英释义

noun

• low-lying alluvial land near a river
  Synonym:bottom

双语例句

• The "dry drainage"& the method to discharge the surplus irrigation water and the groundwater with high salt content to the bottomland inside irrigation district, can decrease the discharged salt to the Tarim River and improve its water quality at the same time.
  其中，“干排盐”&即将多余的灌溉水与高矿化度地下水排到灌区内部低洼地的自然排水积盐方式，是减少排入塔里木河盐量，提高塔河水体环境质量的有效途径之一。
• The results show that wooded and pastures land was the predominant land-use change; ( d) bottomland meadow;
  结果表明，林地和草地变幅较大；
• On the base of the characteristics and the exploiting situation of coastal bottomland resource of Yueqing Bay, this article discusses the dynamic mechanism on the evolution of coastal bottomland from two aspects.
  在阐述乐清湾地区海涂资源现状特征、开发状况的基础上，从自然和人文因素两方面探讨了研究区海涂演变的动力机制；
• All the eco-system area in seasonal inundation area decreases except the area of gravel bottomland, which is significantly influenced by the variation of water level.
  季节性淹水区内各生态系统除砾石滩地面积略有增加外，其他类型的面积均有所减少，受水位变动的影响较大；
• The variability degree of soil moisture in three sands is in the order: sandy grassland>semi-mobile dune>inter-dune bottomland.
  半流动沙地和丘间低地的表层与亚表层土壤水分空间结构差异较小，但土壤水分空间变异性都要高于沙质草场表层。
• The landscape types within the research area included such seven categories as mangroves, Spartina grassland, bottomland, water, built-up and transportation land, other forest and farmland.
  研究区域的景观类型划分为红树林、米草地、滩涂、水域、建设及交通用地、其他林地与农田7类。
• Influences of bridge building on bottomland evolution in rivers
  建桥对河流洲边滩的影响
• Higher water level leading to the lack of enough sunlight in spring is harmful for the germination of submerged macrophytes and the growth of spears. While, lower water levels could also cause the overgrowth or even the death of bottomland plants.
  春季高水位导致水下光照不足，不利于沉水植物萌发和幼苗生长，夏季低水位导致水生植物露出水面，引起沉水植物的疯长或衰亡。
• The research on the evaluation for bottomland sustainable use of the ancient channel of Yellow river as an example has been done by making use of the established evaluation index systems and multi-level gray relation analysis model.
  以废黄河流域为例，利用本文所建立的滩地可持续利用评价指标体系和多级灰关联评价模型，对该流域滩地开发利用的现状进行评价，并对结果进行分析。
• Analysis and evaluation of fill loading's influence on surroundings in bottomland region
  滩涂区弃土填方对周边环境影响的分析评价