Google Earth Engine ——非洲參考蒸發量（RET_E）數據集FAO/WAPOR/2/L1_RET_E

Reference evapotranspiration (RET) is defined as the evapotranspiration from a hypothetical reference crop and it simulates the behaviour of a well-watered grass surface. Each pixel represents the daily reference evapotranspiration in mm.

參考蒸發量（RET）被定義為一個假設的參考作物的蒸發量，它模擬了一個澆灌良好的草地表面的行為。每個像素代表每日參考蒸發量，單位為毫米。

Dataset Availability

2009-01-01T00:00:00 - 2021-08-31T00:00:00

Dataset Provider

FAO UN

Collection Snippet

ee.ImageCollection("FAO/WAPOR/2/L1_RET_E")

Resolution

0.17 degrees

Bands Table

var coll = ee.ImageCollection('FAO/WAPOR/2/L1_RET_E');

var image = coll.first();

Map.setCenter(17.5, 20, 3);

Map.addLayer(image, {min: 0, max: 100});

聲明：

The Food and Agriculture Organization of the United Nations (FAO) is mandated to collect, analyze, interpret, and disseminate information related to nutrition, food, and agriculture. In this regard, it publishes a number of databases on topics related to FAO's mandate, and encourages the use of them for scientific and research purposes. Consistent with the principles of openness and sharing envisioned under the?Open Data Licensing For Statistical Databases, and consistent with the mandate of FAO, data from the?Water Productivity Open Access Portal (WaPOR), as part of?AQUASTAT

FAO's Global Information System on Water and Agriculture, is available free to the user community.

聯合國糧食及農業組織（糧農組織）的任務是收集、分析、解釋和傳播與營養、糧食和農業有關的信息。在這方面，它就與糧農組織任務相關的主題出版了一些數據庫，并鼓勵人們為科學和研究目的使用這些數據庫。根據 "統計數據庫開放數據許可 "所設想的開放和共享原則，并與糧農組織的任務相一致，水生產力開放門戶（WaPOR）的數據作為AQUASTAT的組成部分

糧農組織的全球水和農業信息系統的一部分，可免費提供給用戶群體。

引用：

FAO 2018. WaPOR Database Methodology: Level 1. Remote Sensing for Water Productivity Technical Report: Methodology Series. Rome, FAO. 72 pages.

FAO 2020. WaPOR V2 Database Methodology. Remote Sensing for Water Productivity Technical Report: Methodology Series. Rome, FAO. (in press)

數據庫

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