-
Landsat 2005 年全球土地调查、Landsat 7 场景
GLS2005 数据集包含 9500 幅经过正射校正的叶片生长期中分辨率卫星图像,这些图像收集于 2004 年至 2007 年之间,涵盖地球陆地。GLS2005 主要使用 Landsat 5 和填充缺口的 Landsat 7 数据,并使用 EO-1 ALI 和 Terra ASTER 数据填充任何… etm gls l7 landsat radiance satellite-imagery -
USGS Landsat 7 集合 2 第 1 层级原始场景
Landsat 7 集合 2 第 1 层级 DN 值,表示经过缩放和校准的传感器端辐射度。数据质量最高的 Landsat 场景会被划分到第 1 层级,并且被视为适合进行时间序列处理分析。第 1 层级包括经过处理的第 1 级精确地形 (L1TP) 数据,具有以下特点: c2 etm global l7 landsat le7 -
USGS Landsat 7 集合 2 第 1 层级和实时数据原始场景
Landsat 7 Collection 2 Tier 1 和实时数据 DN 值,表示经过缩放和校准的传感器发射亮度。数据质量最高的 Landsat 场景会被划分到第 1 层级,并且被视为适合进行时间序列处理分析。第 1 层级包括经过处理的 1 级精确地形 (L1TP)… c2 etm global l7 landsat le7 -
USGS Landsat 7 Collection 2 第 2 层级原始场景
Landsat 7 集合 2 第 2 层级数字值,表示经过缩放和校准的传感器端辐射度。在处理过程中,如果场景不符合第 1 层级的条件,则会被分配到第 2 层级。这包括系统地形 (L1GT) 和系统 (L1GS) 处理的场景,以及不符合以下条件的任何 L1TP 场景: c2 etm global l7 landsat le7
Datasets tagged l7 in Earth Engine
[null,null,[],[[["\u003cp\u003eThis page features Landsat 7 datasets, including raw scenes from Collection 2 Tier 1, Tier 2, and a combined Tier 1 and Real-Time dataset.\u003c/p\u003e\n"],["\u003cp\u003eThe datasets provide scaled, calibrated at-sensor radiance (DN values) for various processing levels, including L1TP, L1GT, and L1GS.\u003c/p\u003e\n"],["\u003cp\u003eTier 1 scenes represent the highest quality data suitable for time-series analysis, while Tier 2 contains scenes that did not meet Tier 1 criteria.\u003c/p\u003e\n"],["\u003cp\u003eThe GLS2005 dataset, comprised of mainly Landsat 5 and 7 data, offers a collection of orthorectified, leaf-on images covering Earth's land masses from 2004-2007.\u003c/p\u003e\n"]]],["The core content details several Landsat 7 datasets from the USGS. The GLS2005 dataset features 9500 orthorectified satellite images collected between 2004-2007, utilizing Landsat 5, 7, EO-1 ALI, and Terra ASTER data. Landsat 7 Collection 2 data is divided into Tier 1 and Tier 2 based on quality; Tier 1 data contains high-quality, calibrated radiance data suitable for time-series analysis, whereas Tier 2 includes lower-quality processed data. There is also a tier 1 real time data.\n"],null,["# Datasets tagged l7 in Earth Engine\n\n-\n\n |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n | [### Landsat Global Land Survey 2005, Landsat 7 scenes](/earth-engine/datasets/catalog/LANDSAT_GLS2005_L7) |\n | The GLS2005 data set is a collection of 9500 orthorectified leaf-on medium-resolution satellite images collected between 2004 and 2007 and covering the Earth's land masses. GLS2005 uses mainly Landsat 5 and gap-filled Landsat 7 data with EO-1 ALI and Terra ASTER data filling in any ... |\n | [etm](/earth-engine/datasets/tags/etm) [gls](/earth-engine/datasets/tags/gls) [l7](/earth-engine/datasets/tags/l7) [landsat](/earth-engine/datasets/tags/landsat) [radiance](/earth-engine/datasets/tags/radiance) [satellite-imagery](/earth-engine/datasets/tags/satellite-imagery) |\n\n-\n\n |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n | [### USGS Landsat 7 Collection 2 Tier 1 Raw Scenes](/earth-engine/datasets/catalog/LANDSAT_LE07_C02_T1) |\n | Landsat 7 Collection 2 Tier 1 DN values, representing scaled, calibrated at-sensor radiance. Landsat scenes with the highest available data quality are placed into Tier 1 and are considered suitable for time-series processing analysis. Tier 1 includes Level-1 Precision Terrain (L1TP) processed data that have ... |\n | [c2](/earth-engine/datasets/tags/c2) [etm](/earth-engine/datasets/tags/etm) [global](/earth-engine/datasets/tags/global) [l7](/earth-engine/datasets/tags/l7) [landsat](/earth-engine/datasets/tags/landsat) [le7](/earth-engine/datasets/tags/le7) |\n\n-\n\n |-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n | [### USGS Landsat 7 Collection 2 Tier 1 and Real-Time data Raw Scenes](/earth-engine/datasets/catalog/LANDSAT_LE07_C02_T1_RT) |\n | Landsat 7 Collection 2 Tier 1 and Real-Time data DN values, representing scaled, calibrated at-sensor radiance. Landsat scenes with the highest available data quality are placed into Tier 1 and are considered suitable for time-series processing analysis. Tier 1 includes Level-1 Precision Terrain (L1TP) processed ... |\n | [c2](/earth-engine/datasets/tags/c2) [etm](/earth-engine/datasets/tags/etm) [global](/earth-engine/datasets/tags/global) [l7](/earth-engine/datasets/tags/l7) [landsat](/earth-engine/datasets/tags/landsat) [le7](/earth-engine/datasets/tags/le7) |\n\n-\n\n |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n | [### USGS Landsat 7 Collection 2 Tier 2 Raw Scenes](/earth-engine/datasets/catalog/LANDSAT_LE07_C02_T2) |\n | Landsat 7 Collection 2 Tier 2 DN values, representing scaled, calibrated at-sensor radiance. Scenes not meeting Tier 1 criteria during processing are assigned to Tier 2. This includes Systematic terrain (L1GT) and Systematic (L1GS) processed scenes, as well as any L1TP scenes that do not ... |\n | [c2](/earth-engine/datasets/tags/c2) [etm](/earth-engine/datasets/tags/etm) [global](/earth-engine/datasets/tags/global) [l7](/earth-engine/datasets/tags/l7) [landsat](/earth-engine/datasets/tags/landsat) [le7](/earth-engine/datasets/tags/le7) |"]]