Mcd64a1是什么
WebMODIS “MCD64A1” data of burned areas were used in this study (Table 1). Regard-ing the climatic data, specic humidity was selected from CFSV2 (Saha et al. 2011) and we used ERA5 data (Copernicus Climate Change Service (C3S) 2024) for other climatic elements, namely, air temperature, maximum air pressure, specic humidity, wind speed Web29 jul. 2024 · Across the southern Amazon, 19,700 deforestation fire events accounted for 39% of all satellite active fire detections and the majority of fire carbon emissions (63%; 69 Tg C). Multiday fires accounted for 81% of burned area and 92% of carbon emissions from the Amazon, with many forest fires burning uncontrolled for weeks.
Mcd64a1是什么
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Web1 nov. 2000 · The MCD64A1 burned-area mapping approach employs 500m MODIS Surface Reflectance imagery coupled with 1km MODIS active fire observations. The … WebMODIS is a data-collection satellite exploring the atmosphere, ocean, and land. Its accurate high-res pictures may help in predicting global climate changes.
Web1 nov. 2000 · MCD64A1烧毁面积绘图方法采用了500米MODIS表面反射图像和1公里MODIS主动火灾观测。 该算法使用对燃烧敏感的植被指数(VI)来创建动态阈值,应用于综合数据。 VI是由MODIS短波红外大气校正表面反射带5和7得出的,带有时间纹理的测量。 该算法确定了每个单独的MODIS瓦片中的500米网格单元的燃烧日期。 日期被编码在一个 … Web6 nov. 2024 · An increasing number of end-users looking for ground data about fire activity in regions where accurate official datasets are not available adopt a free-of-charge global burned area (BA) and active fire (AF) products for applications at the local scale. One of the pressing requirements from the user community is an improved ability to detect small …
Web1 nov. 2000 · The MCD64A1 burned-area mapping approach employs 500m MODIS Surface Reflectance imagery coupled with 1km MODIS active fire observations. The algorithm uses a burn sensitive vegetation index (VI) to create dynamic thresholds that are applied to the composite data. Web1 nov. 2024 · The C6 MCD64A1 burned-area detection algorithm uses as inputs the MODIS C6 Terra and Aqua 500-m atmospherically-corrected Level 2G daily surface reflectance products (Vermote and Justice, 2002 ), denoted MOD09GHK and MYD09GHK, respectively, and the C6 1-km Terra (MOD14A1) and Aqua (MYD14A1) Level 3 daily active fire …
WebMCD64A1.061 MODIS Burned Area Monthly Global 500m: The Terra and Aqua combined MCD64A1 Version 6 Burned Area data product is a monthly, global gridded 500m …
Web8 nov. 2024 · I have an ImageCollection derived from the MCD64A1.006 MODIS Burned Area Monthly Global 500m dataset available in Google Earth Engine. I've clipped it to the boundary of a national forest in Califo... how to use a pressure infusion bagWeb13 nov. 2024 · Abstract. This paper presents a new global burned area (BA) product, generated from the Moderate Resolution Imaging Spectroradiometer (MODIS) red (R) and near-infrared (NIR) reflectances and thermal anomaly data, thus providing the highest spatial resolution (approx. 250 m) among the existing global BA datasets. The product … how to use a pressWeb1 jan. 2001 · Fire boundaries based on the MODIS dataset MCD64A1. The data were computed based on an algorithm that relies on encoding in a graph structure a space-time relationship among patches of burned areas. Each fire … how to use a pressure cooker for canningWeb6 feb. 2024 · ABSTRACT. We characterize the agreement and disagreement of four publically available burned products (Fire CCI, Copernicus Burnt Area, MODIS MCD45A1, and MODIS MCD64A1) at a finer spatial and temporal scale than previous assessments using a grid of three-dimensional cells defined both in space and in time. orestes mythologieWeb29 apr. 2024 · mcd64a1烧毁面积绘图方法采用了500米modis表面反射图像和1公里modis主动火灾观测。 该算法使用对燃烧敏感的植被指数(VI)来创建动态阈值,应用于综合 数 … how to use a pressure cooker cannerWeb29 nov. 2024 · Using the R-tree with the new burnt areas from MCD64A1 in vector format a distance sparse matrix compressed by rows is created considering the minimum distance between geometries and time stamps. how to use a prepositionWeb7 jun. 2024 · 2 结果与分析 2.1 我国大陆草地火空间分布格局 基于2001—2016年MODIS-MCD45A1草地火数据,运 用ArcGIS10.2在WGS-84投影下划分 … how to use a prestone flush n fill kit