Mcd64a1是什么

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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... Web29 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 …

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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 … Web1 jan. 2001 · 基于 MODIS 数据集 MCD64A1 的火灾边界。. 数据是基于一种算法计算的，该算法依赖于在图形结构中编码烧毁区域补丁之间的时空关系。. 每场火灾都有一个唯一的 … financial aid university of regina

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Web23 dec. 2024 · The catastrophic impact of wildfires on the economy and ecosystems of Mediterranean countries in recent years, along with insufficient policies that favor disproportionally high funding for fire suppression, demand a more comprehensive understanding of fire regimes. Satellite remote sensing products support the generation … 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. http://www.desert.ac.cn/article/2024/1000-694X/1000-694X-2024-41-2-83.shtml gssg factors

Google Earth Engine（GEE）——基于 MCD64A1 的 GlobFire 日常 …

MCD64A1 - Combined Level 3 Direct Broadcast Burned Area …

WebThe MCD64A1 burned-area mapping approach employs 500 m Moderate Resolution Imaging Spectroradiometer (MODIS) Surface Reflectance imagery coupled with 1 … Web7 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 … financial aid without parents incomeWeb29 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. financial aid withdrawal policy

"Web13 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 … " - Mcd64a1是什么

Mcd64a1是什么

Validation of MCD64A1 and FireCCI51 cropland burned …

WebMCD64A1 Burned Area Product is a monthly Level-3 gridded 500-meter product containing per-pixel burning and quality information, and tile-level metadata. The … Web11 dec. 2024 · Crop residue burning is one of the major sources of air pollution problems. Various studies have been focused on burned area detection by using 500-m MODIS (MCD64A1) because of the high temporal and ready-to-use product. MCD64A1 data was widely used and well detected...

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Web29 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. Web## Script name: MCD64A1_download_preproc.R ## ## Purpose of script: Downloading and pre-processing of MODIS/Terra+Aqua # Burned Area Monthly L3 Global 500 m SIN Grid (MCD64A1) ## ## Sections: Get country vector data ## - download, filter and reproject vector data for Portugal ## ## MODIStsp download and processing

WebMODIS is a data-collection satellite exploring the atmosphere, ocean, and land. Its accurate high-res pictures may help in predicting global climate changes. Web11 mei 2024 · MCU芯片是指微控制单元 (MicrocontrollerUnit；MCU)，又称单片微型计算机或者单片机，是把中央处理器的频率与规格做适当缩减，并将内存、计数器、USB …

Web5 jul. 2024 · Here, we present a size-dependent validation of MCD64A1 with reference to higher resolution (better than 30 m) satellite products (Landsat 7 ETM+, RapidEye, WorldView-2, and GeoEye-1) for six ... Web15 dec. 2024 · This paper presents a Stage 3 validation of the recently released Collection 6 NASA MCD64A1 500 m global burned area product. The product is validated by comparison with Landsat 8 Operational Land Imager (OLI) image pairs acquired 16 days apart that were visually interpreted. These independent refer …

Web7 jul. 2024 · Improving on MODIS MCD64A1 Burned Area Estimates in Grassland Systems: A Case Study in Kansas Flint Hills Tall Grass Prairie. July 2024; Remote Sensing 12(13):2168; DOI: 10.3390/rs12132168.

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 … gssg factor levelWeb1 jan. 2001 · 基于 MODIS 数据集 MCD64A1 的火灾边界。. 数据是基于一种算法计算的，该算法依赖于在图形结构中编码烧毁区域补丁之间的时空关系。. 每场火灾都有一个唯一的 … financial aid withdrawal calculatorWeb1 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 … financial aid without parentsWeb1 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 … gssg gsh quantification kitWebMODIS “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 gssg factor evaluationWeb1 okt. 2024 · While the MCD64A1 and FireCCI51 burned area products have been extensively validated for wildfires and larger prescribed burns, our analysis is a first step … financial aid wneWeb6 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. financial aid wmu