The MYD15A2H V6 MODIS combined Leaf Area Index (LAI) and Fraction of Photosynthetically Active Radiation (FPAR) product is an 8-day composite dataset at 500m resolution. The algorithm chooses the "best" pixel available from all the acquisitions of the Aqua sensor from within the 8-day period.
Documentation:
- User's Guide
- Algorithm Theoretical Basis Document (ATBD)
- General Documentation
MYD15A2H V6 MODIS综合叶面积指数（LAI）和光合有效辐射分数（FPAR）产品是一个500米分辨率的8天综合数据集。该算法从Aqua传感器在8天内的所有采集中选择 "最佳 "像素。
Dataset Availability
2002-07-04T00:00:00 - 2021-09-14T00:00:00
Dataset Provider
NASA LP DAAC at the USGS EROS Center
Collection Snippet
ee.ImageCollection("MODIS/006/MYD15A2H")
Resolution
500 meters
Bands Table
Name | Description | Min | Max | Units | Scale |
|---|---|---|---|---|---|
Fpar_500m | Fraction of Photosynthetically Active Radiation | 0 | 100 | Percent | 0.01 |
Lai_500m | Leaf Area Index | 0 | 100 | sq. meter/sq. meter | 0.1 |
FparLai_QC | Quality for LAI and FPAR | 0 | 254 | 0 | |
FparExtra_QC | Extra detail Quality for LAI and FPAR | 0 | 254 | 0 | |
FparStdDev_500m | Standard deviation of FPAR | 0 | 100 | Percent | 0.01 |
LaiStdDev_500m | Standard deviation of LAI | 0 | 100 | sq. meter/sq. meter | 0.1 |
使用说明：
MODIS data and products acquired through the LP DAAC have no restrictions on subsequent use, sale, or redistribution.
引用：LP DAAC - MYD15A2H
代码：
代码语言：javascript复制var collection = ee.ImageCollection('MODIS/006/MYD15A2H')
.filterDate('2019-01-01', '2019-10-01');
var colorizedVis = {
min: 0,
max: 100,
palette: [
'FFFFFF', 'CE7E45', 'DF923D', 'F1B555', 'FCD163', '99B718', '74A901',
'66A000', '529400', '3E8601', '207401', '056201', '004C00', '023B01',
'012E01', '011D01', '011301'
],
};
Map.setCenter(-10.88, 40.94, 2);
Map.addLayer(collection.select('Lai_500m'), colorizedVis, 'Lai');
Map.addLayer(collection.select('Fpar_500m'), colorizedVis, 'Fpar');
