This file is not included in the product when an SR-only product is generated. Higher numbers indicate greater uncertainty. The ST QA file is generated using uncertainty values and distance to cloud values. The ST QA file indicates uncertainty about the temperatures given in the ST band file. Surface Temperature Quality Assessment Band (ST_QA) LD-DA210 (Rev 2) Level 1 Podium Section AA + BB LD-DA211 (Rev 2) Level 2 Podium Section AA + BB LD-DA212 (Rev 1) Landscape Section FF 12.10. Landsat Collection 2 Surface Reflectance Cloud Quality Assessment Band (SR_Cloud_QA) Bit Index. The terrain occlusion bit is set when the desired terrain is not visible from the sensor due to intervening terrain (Landsat 8-9 only) and the dropped pixel bit is set when a pixel is dropped (Landsat 1-7). The QA_RADSAT band indicates which sensor band(s) are saturated. Radiometric Saturation Quality Assessment band (QA_RADSAT) Please visit the Landsat Collection 2 Known Issues page for more details about this issue. * In February 2021, an issue was been discovered in the Pixel QA ‘clear bit’ (bit 6) for Landsat 4-7 scenes over water.
(fill 2 or 3 customer orders at a time) keep in mind you can place a maximum of 4 items on the weighing device throughout the game.
QA_PIXEL Band file contains quality statistics gathered from the image data and cloud mask information for the scene. A tip to get expert is to use as many combos as possible. the Global Clearing Management System (GCMS) that qualified for the. Collection 2 Level-2 products (Landsats 4-8 only) include the Level-1 QA bands as well as a surface reflectance aerosol QA Band for Landsat 8 (SR_QA_AEROSOL), a surface reflectance cloud quality assessment band (SR_Cloud_QA) for Landsat 4-7, and a surface temperature QA Band (ST_QA) for Landsat 4-8 that provide consistent QA information between products.Īccess the Documents Section below for additional technical details about the QA files. Return to Landsat Collection 2 informationĬollection 2 Level-1 products are delivered with a Pixel Quality Assessment Band (QA_Pixel) and a Radiometric Saturation Quality Assessment Band (QA_RADSAT).
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