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1,709 results for “Reflectivity”
ROSETTA-ORBITER 67P OSINAC 4 PRL-MTP003 RDR-REFLECT V1.0
This CODMAC level 4 data set contains radiometric calibrated and geometric distortion corrected (resampled) image data in reflectance units (normalized and thus without unit), acquired by the OSIRIS Narrow Angle Camera on the Rosetta spacecraft during the PRELANDING mission phase, covering the period from 2014-05-07T12:48:00.000 to 2014-06-04T10:49:59.000. The prime target is comet 67P/Churyumov-Gerasimenko 1 (1969 R1). This version V1.0 is the first version of this dataset: Lien corrected dataset after October 2018 PSA/PDS external peer review.
Suomi-NPP VIIRS Global Binned Remote-Sensing Reflectance (RRS) - NRT Data, version R2022.0
The Ocean Biology DAAC produces near real-time (quicklook) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Quicklook products provide a snapshot of the data during a short time period within a single orbit.
ROSETTA-ORBITER 67P OSIWAC 4 PRL-MTP001 RDR-REFLECT V1.0
This CODMAC level 4 data set contains radiometric calibrated and geometric distortion corrected (resampled) image data in reflectance units (normalized and thus without unit), acquired by the OSIRIS Wide Angle Camera on the Rosetta spacecraft during the PRELANDING mission phase, covering the period from 2014-01-20T10:00:00.000 to 2014-05-07T12:47:59.000. The prime target is comet 67P/Churyumov-Gerasimenko 1 (1969 R1). This version V1.0 is the first version of this dataset: Lien corrected dataset after October 2018 PSA/PDS external peer review.
VIIRS/NPP Surface Reflectance Daily L2G Global 1km and 500m SIN Grid V001
The Visible Infrared Imaging Radiometer Suite (VIIRS) (https://lpdaac.usgs.gov/dataset_discovery/viirs) daily surface reflectance (VNP09GA) Version 1 product provides an estimate of land surface reflectance from the Suomi National Polar-Orbiting Partnership (Suomi NPP) VIIRS sensor. Data are provided for three imagery bands (I1-I3) at nominal 500 meter resolution (~ 463 meter) and nine moderate resolution bands (M1-M5, M7, M8, M10, M11) at nominal 1 kilometer (~926 meter) resolution. The 500 meter and 1 kilometer datasets are derived through resampling the native 375 meter and 750 meter VIIRS resolutions, respectively, in the Level 2 input product. These bands are corrected for atmospheric conditions such as the effects of molecular gases, including ozone and water vapor, and for the effects of atmospheric aerosols. The inputs to the surface reflectance algorithm are top-of-atmosphere reflectance for the VIIRS visible bands, the VIIRS cloud mask and aerosol product, aerosol optical thickness and atmospheric data obtained from the NOAA National Centers for Environmental Prediction (NCEP) reanalysis system. Along with the twelve reflectance bands are reflectance band quality, sensor azimuth angle, solar azimuth angle, sensor zenith angle, solar zenith angle, and observations layers. The reflectance layers from the VNP09GA data product are used as input data for many of the VIIRS land products.
ROSETTA-ORBITER 67P OSIWAC 4 EXT1-MTP027 RDR-REFLECT V1.0
This CODMAC level 4 data set contains radiometric calibrated and geometric distortion corrected (resampled) image data in reflectance units (normalized and thus without unit), acquired by the OSIRIS Wide Angle Camera on the Rosetta spacecraft during the ROSETTA EXTENSION 1 mission phase, covering the period from 2016-03-08T23:25:00.000 to 2016-04-05T23:24:59.000. The prime target is comet 67P/Churyumov-Gerasimenko 1 (1969 R1). This version V1.0 is the first version of this dataset: Lien corrected dataset after October 2018 PSA/PDS external peer review.
ROSETTA-ORBITER LUTETIA OSIWAC 4 AST2 RDR-REFLECT V1.0
This CODMAC level 4 data set contains radiometric calibrated and geometric distortion corrected (resampled) image data in reflectance units (normalized and thus without unit), acquired by the OSIRIS Wide Angle Camera on the Rosetta spacecraft during the LUTETIA FLY-BY mission phase, covering the period from 2010-05-17T00:00:00.000 to 2010-09-03T23:59:59.000. The prime target is asteroid 21 Lutetia. This version V1.0 is the first version of this dataset.
NOAA-21 VIIRS Global Binned Remote-Sensing Reflectance (RRS) - NRT Data, version R2022.0
The Ocean Biology DAAC produces near real-time (quicklook) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Quicklook products provide a snapshot of the data during a short time period within a single orbit.
ROSETTA-ORBITER 67P OSIWAC 4 ESC2-MTP014 RDR-REFLECT V1.0
This CODMAC level 4 data set contains radiometric calibrated and geometric distortion corrected (resampled) image data in reflectance units (normalized and thus without unit), acquired by the OSIRIS Wide Angle Camera on the Rosetta spacecraft during the COMET ESCORT 2 mission phase, covering the period from 2015-03-10T23:25:00.000 to 2015-04-08T11:24:59.000. The prime target is comet 67P/Churyumov-Gerasimenko 1 (1969 R1). This version V1.0 is the first version of this dataset: Lien corrected dataset after October 2018 PSA/PDS external peer review.
OLCI/Sentinel-3A L1 Full Resolution Top of Atmosphere Reflectance
The OLCI/Sentinel-3A L1 Full Resolution Top of Atmosphere Reflectance product, S3A_OL_1_EFR is generated from the data aquired by the Ocean and Land Colour Instrument (OLCI) on board European Earth Observation satellite mission, SENTINEL-3. The OLCI is a push-broom imaging spectrometer that measures solar radiation reflected by the Earth at a ground spatial resolution of around 300m, over all surfaces, in 21 spectral bands. OLCI is based on the imaging design of ENVISAT's Medium Resolution Imaging Spectrometer (MERIS). It has a 1270km wide swath. For more information about the instrument and the mission, visit "Sentinel Online" at https://sentinel.esa.int/web/sentinel/home. The S3A_OL_1_EFR is a Level-1B product. This is composed of an information package map, called a manifest, 22 measurement data files, and seven annotation data files. The 21 measurement data files (one for each band) consist of Top Of Atmosphere (TOA) radiances, calibrated to geophysical units (W.m-2. sr-1 Micro meter-1), georeferenced onto the Earth's surface, and spatially resampled onto an evenly spaced grid. Seven annotation files provide information on illumination and observation geometry, environment data (meteorological data) and quality and classification flags. Both measurement data files and annotation data files are written in netCDF 4 format. The manifest file is in XML format and contains metadata associated with the instrument and the processing. The S3A_OL_1_EFR is generated in Earth Observation (EO) processing mode and all parameters in this product are provided for each re-gridded pixel on the product image and for each removed pixel. The OL_1_EFR product package is described below: Element name Description Manifest.safe SENTINEL-SAFE product manifest Oa##_radiance.nc Radiance for OLCI acquisition bands 01 to 21 Removed_pixels.nc Removed pixels information needed for Level-1C generation Time_coordinates.nc Time stamp annotations Geo_coordinates.nc High resolution georeferencing data Quality_flags.nc Classification and quality flags Tie_geo_coordinates.nc Low resolution georeferencing data Tie_geometries.nc Sun and view angles Tie_meteo.nc ECMWF meteorology data Instrument_data.nc Instrument data note: Oa## represents all the OLCI channels (Oa1 to Oa21). For more information about the product, read the SENTINEL-3 OLCI User Guide at https://sentinel.esa.int/web/sentinel/user-guides/sentinel-3-olci.
ROSETTA-ORBITER 67P OSIWAC 4 ESC4-MTP024 RDR-REFLECT V1.0
This CODMAC level 4 data set contains radiometric calibrated and geometric distortion corrected (resampled) image data in reflectance units (normalized and thus without unit), acquired by the OSIRIS Wide Angle Camera on the Rosetta spacecraft during the COMET ESCORT 4 mission phase, covering the period from 2015-12-15T23:25:00.000 to 2016-01-12T23:24:59.000. The prime target is comet 67P/Churyumov-Gerasimenko 1 (1969 R1). This version V1.0 is the first version of this dataset: Lien corrected dataset after October 2018 PSA/PDS external peer review.
ROSETTA-ORBITER 67P OSINAC 4 ESC2-MTP017 RDR-REFLECT V1.0
This CODMAC level 4 data set contains radiometric calibrated and geometric distortion corrected (resampled) image data in reflectance units (normalized and thus without unit), acquired by the OSIRIS Narrow Angle Camera on the Rosetta spacecraft during the COMET ESCORT 2 mission phase, covering the period from 2015-06-02T23:25:00.000 to 2015-06-30T23:24:59.000. The prime target is comet 67P/Churyumov-Gerasimenko 1 (1969 R1). This version V1.0 is the first version of this dataset: Lien corrected dataset after October 2018 PSA/PDS external peer review.
Airborne Hyperspectral Reflectance L1 Tallgrass Prairie Preserve Oklahoma Multi-Day 1 m
The Airborne Hyperspectral Reflectance data are from The Nature Conservancy’s Tallgrass Prairie Preserve in northeastern Oklahoma. The data have a spatial resolution of 1 meter (m) and fall in the spectral range of 400-2450 nanometers (nm). These data can be used to develop approaches for studying grassland biodiversity.The Nature Conservancy’s Tallgrass Prairie Preserve airborne data were collected on three separate occasions: August 3, 2020, July 31, 2021, and July 23, 2022. The images were collected by SpecTIR Remote Sensing (SRS) Division, contracted by Oklahoma State University, using an AisaFENIX 1K (Specim, Oulu, Finland) pushbroom sensor mounted on a Twin Commander 500 fixed wing aircraft.The AEHYP1TPPOK product provides orthorectified individual flight lines of 323 hyperspectral bands that have been radiometrically, geometrically, and atmospherically corrected.
Land Surface Reflectance - L4-5
The surface reflectance CDR is generated from specialized software called Landsat Ecosystem Disturbance Adaptive Processing System (LEDAPS). LEDAPS was originally developed through a National Aeronautics and Space Administration (NASA) Making Earth System Data Records for Use in Research Environments (MEaSUREs)grant by NASA Goddard Space Flight Center (GSFC) and the University of Maryland (Masek et al., 2006). The software applies Moderate Resolution Imaging spectroradiometer (MODIS) atmospheric correction routines to Level-1 Landsat Thematic Mapper (TM) or Enhanced Thematic Mapper Plus (ETM+)data. Water,vapor, ozone, geopotential height, aerosol optical thickness,and digital elevation are input with Landsat data to the Second Simulation of a Satellite Signal in the Solar Spectrum (6S) radiative transfer models to generate top of atmosphere (TOA)reflectance, surface reflectance, brightness temperature, and masks for clouds, cloud shadows, adjacent clouds, land, and water. The result is delivered as the Landsat surface reflectance CDR.
ROSETTA-ORBITER 67P OSIWAC 4 ESC2-MTP017 RDR-REFLECT V1.0
This CODMAC level 4 data set contains radiometric calibrated and geometric distortion corrected (resampled) image data in reflectance units (normalized and thus without unit), acquired by the OSIRIS Wide Angle Camera on the Rosetta spacecraft during the COMET ESCORT 2 mission phase, covering the period from 2015-06-02T23:25:00.000 to 2015-06-30T23:24:59.000. The prime target is comet 67P/Churyumov-Gerasimenko 1 (1969 R1). This version V1.0 is the first version of this dataset: Lien corrected dataset after October 2018 PSA/PDS external peer review.
ROSETTA-ORBITER 67P OSINAC 4 EXT2-MTP028 RDR-REFLECT V1.0
This CODMAC level 4 data set contains radiometric calibrated and geometric distortion corrected (resampled) image data in reflectance units (normalized and thus without unit), acquired by the OSIRIS Narrow Angle Camera on the Rosetta spacecraft during the ROSETTA EXTENSION 2 mission phase, covering the period from 2016-04-05T23:25:00.000 to 2016-05-03T23:25:00.000. The prime target is comet 67P/Churyumov-Gerasimenko 1 (1969 R1). This version V1.0 is the first version of this dataset: Lien corrected dataset after October 2018 PSA/PDS external peer review.
ROSETTA-ORBITER LUTETIA OSINAC 4 AST2 RDR-REFLECT V1.0
This CODMAC level 4 data set contains radiometric calibrated and geometric distortion corrected (resampled) image data in reflectance units (normalized and thus without unit), acquired by the OSIRIS Narrow Angle Camera on the Rosetta spacecraft during the LUTETIA FLY-BY mission phase, covering the period from 2010-05-17T00:00:00.000 to 2010-09-03T23:59:59.000. The prime target is asteroid 21 Lutetia. This version V1.0 is the first version of this dataset.
ROSETTA-ORBITER 67P OSINAC 4 ESC4-MTP022 RDR-REFLECT V1.0
This CODMAC level 4 data set contains radiometric calibrated and geometric distortion corrected (resampled) image data in reflectance units (normalized and thus without unit), acquired by the OSIRIS Narrow Angle Camera on the Rosetta spacecraft during the COMET ESCORT 4 mission phase, covering the period from 2015-10-20T23:25:00.000 to 2015-11-17T23:24:59.000. The prime target is comet 67P/Churyumov-Gerasimenko 1 (1969 R1). This version V1.0 is the first version of this dataset: Lien corrected dataset after October 2018 PSA/PDS external peer review.
ROSETTA-ORBITER 67P OSINAC 4 PRL-MTP004 RDR-REFLECT V1.0
This CODMAC level 4 data set contains radiometric calibrated and geometric distortion corrected (resampled) image data in reflectance units (normalized and thus without unit), acquired by the OSIRIS Narrow Angle Camera on the Rosetta spacecraft during the PRELANDING mission phase, covering the period from 2014-06-04T10:50:00.000 to 2014-07-02T08:34:59.000. The prime target is comet 67P/Churyumov-Gerasimenko 1 (1969 R1). This version V1.0 is the first version of this dataset: Lien corrected dataset after October 2018 PSA/PDS external peer review.
High Mountain Asia Langtang Snow Bidirectional Reflectance Factor V001
This data set contains snow bidirectional reflectance factor (BRF) between 350 and 2500 nm collected on the Yala Glacier on 23 April and 24 April 2018 by the International Centre for Integrated Mountain Development (ICIMOD).
ROSETTA-ORBITER MARS OSIWAC 4 MARS RDR-REFLECT V1.0
This CODMAC level 4 data set contains radiometric calibrated and geometric distortion corrected (resampled) image data in reflectance units (normalized and thus without unit), acquired by the OSIRIS Wide Angle Camera on the Rosetta spacecraft during the MARS SWING-BY mission phase, covering the period from 2006-07-29T00:00:00.000 to 2007-05-28T23:59:59.000. The prime target is planet Mars. This version V1.0 is the first version of this dataset.
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