Google Earth Engine——全球地表温度夜间产品的基础数据集是MODIS陆地表面温度数据(MOD11A2)

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此星光明 发表于 2022/04/16 01:02:39 2022/04/16
【摘要】 The underlying dataset for this daytime product is MODIS land surface temperature data (MOD11A2), which was gap-filled using the approach outlined in Weiss et al. (2014)...

The underlying dataset for this daytime product is MODIS land surface temperature data (MOD11A2), which was gap-filled using the approach outlined in Weiss et al. (2014) to eliminate missing data caused by factors such as cloud cover. Gap-free outputs were then aggregated temporally and spatially to produce the monthly ≈5km product.

This dataset was produced by Harry Gibson and Daniel Weiss of the Malaria Atlas Project (Big Data Institute, University of Oxford, United Kingdom, [http://www.map.ox.ac.uk/] (http://www.map.ox.ac.uk/)).

该日间产品的基础数据集是MODIS陆地表面温度数据(MOD11A2),采用Weiss等人(2014)所述的方法填补缺口,以消除由云层等因素造成的数据缺失。然后将无间隙输出在时间和空间上进行汇总,以产生每月≈5公里的产品。

该数据集由Malaria Atlas项目的Harry Gibson和Daniel Weiss制作(英国牛津大学大数据研究所,[http://www.map.ox.ac.uk/] (http://www.map.ox.ac.uk/))。

Dataset Availability

2001-03-01T00:00:00 - 2015-06-01T00:00:00

Dataset Provider

Oxford Malaria Atlas Project

Collection Snippet

ee.ImageCollection("Oxford/MAP/LST_Night_5km_Monthly")

Resolution

5000 meters

Bands Table

Name Description Min* Max* Units
Mean The mean value of nighttime land surface temperature for each aggregated pixel. -73.39 37.64 °C
FilledProportion A quality control band that indicates the percentage of each resulting pixel that was comprised of raw data (as opposed to gap-filled estimates). 0 100 %

* = Values are estimated

引用:

Weiss, D.J., P.M. Atkinson, S. Bhatt, B. Mappin, S.I. Hay & P.W. Gething (2014) An effective approach for gap-filling continental scale remotely sensed time-series. ISPRS Journal of Photogrammetry and Remote Sensing, 98, 106-118.

代码:


  
  1. var dataset = ee.ImageCollection('Oxford/MAP/LST_Night_5km_Monthly')
  2. .filter(ee.Filter.date('2015-01-01', '2015-12-31'));
  3. var nighttimeLandSurfaceTemp = dataset.select('Mean');
  4. var visParams = {
  5. min: -30.0,
  6. max: 30.0,
  7. palette: [
  8. '800080', '0000ab', '0000ff', '008000', '19ff2b', 'a8f7ff', 'ffff00',
  9. 'd6d600', 'ffa500', 'ff6b01', 'ff0000'
  10. ],
  11. };
  12. Map.setCenter(-88.6, 26.4, 1);
  13. Map.addLayer(
  14. nighttimeLandSurfaceTemp, visParams, 'Nighttime Land Surface Temperature');

文章来源: blog.csdn.net,作者:此星光明2021年博客之星云计算Top3,版权归原作者所有,如需转载,请联系作者。

原文链接:blog.csdn.net/qq_31988139/article/details/120602544

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