GEE RET: Cloud-based reference evapotranspiration calculation with google earth engine

IF 2.8 4区 地球科学 Q3 METEOROLOGY & ATMOSPHERIC SCIENCES
Rahman Barideh, Fereshteh Nasimi
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引用次数: 0

Abstract

Reference Evapotranspiration (RET) is one of the fundamental variables for water resource management and finds applications in various fields such as irrigation sciences, environmental studies, and hydrology. However, its calculation can be complex, leading to research delays or reliance on outdated datasets, which may introduce errors in the results. Therefore, in this study, we developed an online software named GEE RET for calculating RET and accessing meteorological data based on Google Earth Engine. The aim of GEE RET was firstly to create a simple and efficient tool for calculating and accessing RET and meteorological data globally and online; secondly, to access long-term RET in the absence of meteorological data; and thirdly, to generate RET in areas where weather stations are not available. In GEE RET, the complex steps of calculating RET are performed through cloud processing, and users can access these data simply by specifying their desired area. Additionally, GEE RET provides access to reference and actual evapotranspiration from the WaPOR dataset. Achieving these goals assists researchers in easily accessing meteorological variables and RET at any point on Earth without the need for learning various sciences such as remote sensing or programming and without the need for processing large volumes of data, while also facilitating the use of up-to-date data. This software is freely accessible on the website [https://rahmanbarideh.users.earthengine.app/view/ret].

Abstract Image

GEE RET:利用谷歌地球引擎进行基于云的参考蒸散计算
参考蒸散量(RET)是水资源管理的基本变量之一,可应用于灌溉科学、环境研究和水文学等多个领域。然而,参考蒸散量的计算可能很复杂,导致研究延误或依赖过时的数据集,从而可能在结果中引入误差。因此,在本研究中,我们开发了一款名为 GEE RET 的在线软件,用于计算 RET 和获取基于谷歌地球引擎的气象数据。GEE RET 的目的首先是创建一个简单高效的工具,用于在全球范围内在线计算和获取 RET 和气象数据;其次是在没有气象数据的情况下获取长期 RET;第三是在没有气象站的地区生成 RET。在 GEE RET 中,计算 RET 的复杂步骤通过云处理完成,用户只需指定所需的区域即可访问这些数据。此外,GEE RET 还可访问 WaPOR 数据集中的参考蒸散量和实际蒸散量。实现这些目标有助于研究人员轻松获取地球上任何一点的气象变量和 RET,而无需学习遥感或编程等各种科学知识,也无需处理大量数据,同时还便于使用最新数据。该软件可在网站[https://rahmanbarideh.users.earthengine.app/view/ret]上免费获取。
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来源期刊
Theoretical and Applied Climatology
Theoretical and Applied Climatology 地学-气象与大气科学
CiteScore
6.00
自引率
11.80%
发文量
376
审稿时长
4.3 months
期刊介绍: Theoretical and Applied Climatology covers the following topics: - climate modeling, climatic changes and climate forecasting, micro- to mesoclimate, applied meteorology as in agro- and forestmeteorology, biometeorology, building meteorology and atmospheric radiation problems as they relate to the biosphere - effects of anthropogenic and natural aerosols or gaseous trace constituents - hardware and software elements of meteorological measurements, including techniques of remote sensing
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