effective rainfall

简明释义

有效降水量

英英释义

例句

1.The effective rainfall 有效降雨量 is crucial for estimating the yield of the upcoming harvest.

计算有效降雨量对于估算即将到来的收成至关重要。

2.The farmer calculated the effective rainfall 有效降雨量 to determine how much irrigation was needed for the crops.

农民计算了有效降雨量来确定作物需要多少灌溉。

3.The weather report included information about effective rainfall 有效降雨量 for agricultural planning.

天气报告中包含了关于有效降雨量的农业规划信息。

4.During the dry season, understanding the effective rainfall 有效降雨量 helps in planning water resources.

在干旱季节，了解有效降雨量有助于规划水资源。

5.Engineers use data on effective rainfall 有效降雨量 to design drainage systems in urban areas.

工程师利用有效降雨量的数据来设计城市排水系统。

作文

Effective rainfall is a crucial concept in the field of agriculture and hydrology. It refers to the portion of total rainfall that is available for plant use and contributes to soil moisture. Understanding the significance of effective rainfall is essential for farmers, water resource managers, and environmentalists alike. In this essay, we will explore the definition of effective rainfall, its importance in agriculture, and the factors that influence it.To begin with, effective rainfall can be defined as the amount of precipitation that actually infiltrates the soil and becomes available for crops. Not all rainfall is beneficial; some of it may evaporate or run off before it can be absorbed by the soil. Therefore, it is vital to differentiate between total rainfall and effective rainfall. For instance, if a region receives 100 mm of rainfall, but due to evaporation and runoff, only 60 mm is absorbed by the soil, then the effective rainfall for that period is 60 mm.The importance of effective rainfall in agriculture cannot be overstated. It directly impacts crop yield and quality. Farmers rely on accurate measurements of effective rainfall to make informed decisions about irrigation, planting schedules, and crop management practices. When effective rainfall is insufficient, crops may suffer from water stress, leading to reduced yields and poor quality produce. Conversely, when there is an adequate supply of effective rainfall, crops thrive, resulting in higher productivity and better economic returns for farmers.Several factors influence the amount of effective rainfall in a given area. Soil type plays a significant role; sandy soils tend to have higher infiltration rates compared to clay soils, which can lead to more runoff. Additionally, vegetation cover can affect effective rainfall levels. Areas with dense vegetation are likely to experience less runoff and more water retention in the soil, thus increasing effective rainfall. Moreover, topography also influences how rainfall is distributed across a landscape. Slopes may lead to quicker runoff, while flat areas may allow for greater water absorption.Climate conditions further complicate the dynamics of effective rainfall. Regions with high temperatures may experience increased evaporation rates, reducing the amount of rainfall that becomes effective. Similarly, the timing of rainfall events can also impact effective rainfall. Rainfall that occurs during dry periods is more likely to be effective than rainfall that happens during wet periods when the soil is already saturated.In conclusion, understanding effective rainfall is vital for sustainable agricultural practices and effective water management. By recognizing the factors that influence effective rainfall, stakeholders can implement strategies to optimize water use in agriculture. This knowledge helps ensure that crops receive the necessary moisture for growth while also conserving water resources. As climate change continues to impact weather patterns, the need for effective management of effective rainfall will become increasingly important in ensuring food security and environmental sustainability.

有效降雨是农业和水文学领域中的一个关键概念。它指的是可用于植物生长并有助于土壤湿度的总降雨量。理解有效降雨的重要性对农民、水资源管理者和环保人士来说至关重要。在这篇文章中，我们将探讨有效降雨的定义、它在农业中的重要性以及影响它的因素。首先，有效降雨可以定义为实际渗入土壤并可供作物使用的降水量。并非所有降雨都是有益的；一些降雨可能在被土壤吸收之前就蒸发或径流。因此，区分总降雨量和有效降雨至关重要。例如，如果一个地区降雨100毫米，但由于蒸发和径流，只有60毫米被土壤吸收，那么该时期的有效降雨为60毫米。有效降雨在农业中的重要性不容低估。它直接影响作物的产量和质量。农民依赖于准确的有效降雨测量来做出有关灌溉、种植时间表和作物管理实践的明智决策。当有效降雨不足时，作物可能会遭受水分压力，从而导致产量降低和产品质量差。相反，当有足够的有效降雨供应时，作物会茁壮成长，从而提高生产力和为农民带来更好的经济回报。多个因素影响某一地区的有效降雨量。土壤类型起着重要作用；沙质土壤的渗透率通常高于粘土土壤，这可能导致更多的径流。此外，植被覆盖也会影响有效降雨水平。植被稠密的地区可能经历较少的径流和更多的水分保留，从而增加有效降雨。此外，地形也会影响降雨在景观中的分布。坡度可能导致更快的径流，而平坦区域可能允许更多的水分被吸收。气候条件进一步复杂化了有效降雨的动态。高温地区可能会经历更高的蒸发率，从而减少有效降雨量。同样，降雨事件的时机也会影响有效降雨。在干燥时期发生的降雨比在湿润时期（土壤已经饱和）发生的降雨更可能是有效的。总之，了解有效降雨对于可持续农业实践和有效水管理至关重要。通过认识到影响有效降雨的因素，相关利益方可以实施策略，以优化农业中的水资源使用。这一知识有助于确保作物获得必要的水分以促进生长，同时也保护水资源。随着气候变化继续影响天气模式，有效管理有效降雨的需求将变得越来越重要，以确保粮食安全和环境可持续性。