Google Earth Engine ——MOD14A2.006: Terra Thermal Anomalies & Fire 8-Day Global 1km提供了1公里分辨率的8天火灾合成数据

The MOD14A2 V6 dataset provides 8-day fire mask composites at 1km resolution. It contains the maximum value of the individual pixel classes over the compositing period. Along with the fire mask, an associated quality information layer is also provided.

Documentation:

• User's Guide
• Algorithm Theoretical Basis Document (ATBD)
• General Documentation

MOD14A2 V6数据集提供了1公里分辨率的8天火灾掩码合成。它包含了在合成期间各个像素等级的最大值。与火灾掩码一起，还提供了一个相关的质量信息层。

文件。

用户指南

算法理论基础文件(ATBD)

一般文件

Dataset Availability

2000-02-18T00:00:00 - 2021-09-06T00:00:00

Dataset Provider

NASA LP DAAC at the USGS EROS Center

Collection Snippet

ee.ImageCollection("MODIS/006/MOD14A2")

Resolution

1000 meters

Bands Table

• Bits 0-3: Fire mask pixel classes
  • 1: Not processed (obsolete; not used since Collection 1)
  • 2: Not processed (other reason)
  • 3: Non-fire water pixel
  • 4: Cloud (land or water)
  • 5: Non-fire land pixel
  • 6: Unknown (land or water)
  • 7: Fire (low confidence, land or water)
  • 8: Fire (nominal confidence, land or water)
  • 9: Fire (high confidence, land or water)

QAPixel quality indicatorsQA Bitmask

• Bits 0-1: Land/water state
  • 0: Water
  • 1: Coast
  • 2: Land
  • 3: Missing data
• Bit 2: Night/day
  • 0: Night
  • 1: Day

使用说明：

MODIS data and products acquired through the LP DAAC have no restrictions on subsequent use, sale, or redistribution.

数据引用：

LP DAAC - MOD14A2

https://doi.org/10.5067/MODIS/MOD14A2.006

代码：

var dataset = ee.ImageCollection('MODIS/006/MOD14A2')
                  .filter(ee.Filter.date('2018-01-01', '2018-05-01'));
var fireMask = dataset.select('FireMask');
var fireMaskVis = {
  min: 3.0,
  max: 8.0,
};
Map.setCenter(6.746, 46.529, 2);
Map.addLayer(fireMask, fireMaskVis, 'Fire Mask');