شاخص گیاهی تقویت‌شده (EVI) از نوارهای نزدیک به IR، قرمز و آبی هر صحنه تولید می‌شود و از 1.0- تا 1.0 متغیر است. Huete et al. (2002) برای جزئیات. این محصول از کامپوزیت های بازتاب سطحی MODIS/006/MYD09GA تولید شده است.
باندها
باندها
نام
اندازه پیکسل
توضیحات
EVI
463.313 متر
شاخص پوشش گیاهی پیشرفته
شرایط استفاده
شرایط استفاده
داده‌های MODIS و محصولات به‌دست‌آمده از طریق LP DAAC هیچ محدودیتی در استفاده، فروش یا توزیع مجدد بعدی ندارند.
شاخص گیاهی تقویت‌شده (EVI) از نوارهای نزدیک به IR، قرمز و آبی هر صحنه تولید می‌شود و از 1.0- تا 1.0 متغیر است. Huete et al. (2002) برای جزئیات. این محصول از کامپوزیت های بازتاب سطحی MODIS/006/MYD09GA تولید شده است.
[null,null,[],[[["\u003cp\u003eThe MODIS/MYD09GA_006_EVI dataset provides daily Enhanced Vegetation Index (EVI) data globally from July 4, 2002, to February 25, 2023.\u003c/p\u003e\n"],["\u003cp\u003eEVI values, ranging from -1.0 to 1.0, are derived from the Near-IR, Red, and Blue bands of MODIS/006/MYD09GA surface reflectance composites.\u003c/p\u003e\n"],["\u003cp\u003eThis dataset is freely available for use, sale, and redistribution with no restrictions, provided by Google Earth Engine.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset has a 463.313-meter pixel resolution and is accessible through the Earth Engine platform using the \u003ccode\u003eee.ImageCollection("MODIS/MYD09GA_006_EVI")\u003c/code\u003e code snippet.\u003c/p\u003e\n"],["\u003cp\u003eUsers can explore the dataset and visualize EVI using the provided JavaScript code example within the Google Earth Engine Code Editor.\u003c/p\u003e\n"]]],["The dataset, available from 2002-07-04 to 2023-02-25, provides the Enhanced Vegetation Index (EVI) derived from MODIS/MYD09GA surface reflectance composites, with a daily cadence. This data, with values ranging from -1.0 to 1.0, is sourced from Google Earth Engine, which can be accessed through registration. The EVI, calculated from Near-IR, Red, and Blue bands, has a pixel size of 463.313 meters. The MODIS data has no restrictions on use.\n"],null,["# MODIS Aqua Daily EVI\n\nDataset Availability\n: 2002-07-04T00:00:00Z--2023-02-25T00:00:00Z\n\nDataset Provider\n:\n\n\n [Google](https://earthengine.google.com/)\n\nCadence\n: 1 Day\n\nTags\n:\n aqua \n daily \n evi \n global \n modis \n myd09ga \n surface-reflectance \n usgs \nvegetation-indices \n\n#### Description\n\nThe Enhanced Vegetation Index (EVI) is generated from the\nNear-IR, Red and Blue bands of each scene, and ranges in value from\n-1.0 to 1.0. See\n[Huete et al. (2002)](https://www.sciencedirect.com/science/article/pii/S0034425702000962)\nfor details. This product is generated from the MODIS/006/MYD09GA surface reflectance composites.\n\n### Bands\n\n**Bands**\n\n| Name | Pixel Size | Description |\n|-------|----------------|---------------------------|\n| `EVI` | 463.313 meters | Enhanced Vegetation Index |\n\n### Terms of Use\n\n**Terms of Use**\n\nMODIS data and products acquired through the LP DAAC have no restrictions on subsequent use, sale, or redistribution.\n\n### Explore with Earth Engine\n\n| **Important:** Earth Engine is a platform for petabyte-scale scientific analysis and visualization of geospatial datasets, both for public benefit and for business and government users. Earth Engine is free to use for research, education, and nonprofit use. To get started, please [register for Earth Engine access.](https://console.cloud.google.com/earth-engine)\n\n### Code Editor (JavaScript)\n\n```javascript\nvar dataset = ee.ImageCollection('MODIS/MYD09GA_006_EVI')\n .filter(ee.Filter.date('2018-04-01', '2018-06-01'));\nvar colorized = dataset.select('EVI');\nvar colorizedVis = {\n min: 0,\n max: 1,\n palette: [\n 'ffffff', 'ce7e45', 'df923d', 'f1b555', 'fcd163', '99b718', '74a901',\n '66a000', '529400', '3e8601', '207401', '056201', '004c00', '023b01',\n '012e01', '011d01', '011301'\n ],\n};\nMap.setCenter(-7.03, 31.05, 2);\nMap.addLayer(colorized, colorizedVis, 'Colorized');\n```\n[Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/MODIS/MODIS_MYD09GA_006_EVI) \n[MODIS Aqua Daily EVI](/earth-engine/datasets/catalog/MODIS_MYD09GA_006_EVI) \nThe Enhanced Vegetation Index (EVI) is generated from the Near-IR, Red and Blue bands of each scene, and ranges in value from -1.0 to 1.0. See Huete et al. (2002) for details. This product is generated from the MODIS/006/MYD09GA surface reflectance composites. \nMODIS/MYD09GA_006_EVI, aqua,daily,evi,global,modis,surface-reflectance,usgs,vegetation-indices \n2002-07-04T00:00:00Z/2023-02-25T00:00:00Z \n-90 -180 90 180 \nGoogle Earth Engine \nhttps://developers.google.com/earth-engine/datasets\n\n- [](https://doi.org/https://earthengine.google.com/)\n- [](https://doi.org/https://developers.google.com/earth-engine/datasets/catalog/MODIS_MYD09GA_006_EVI)"]]
