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Reflectance Data Access and Tools

From discovery to visualization, data tools such as Worldview, Earthdata Search, and Fire Information for Resource Management System (FIRMS) guide users in making the most of reflectance data.

Reflectance Datasets

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Dataset Sort descending	Version	Platform	Instrument	Temporal Extent	Spatial Extent	Spatial Resolution	Data Format
Sentinel-1B Single Polarization Medium Resolution Ground Range Detected Product Metadata	1	Sentinel-1B	C-SAR	2016-04-25 to 2021-12-24	N: 90 S: -90 E: 180 W: -180
Sentinel-3A OLCI Level-1B Earth-observation Full Resolution (EFR) Data, version 1	1	Sentinel-3A	OLCI	2016-04-05 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3A OLCI Level-2 Regional Earth-observation Full Resolution (EFR) Ocean Color (OC) - Near Real-time Data, version 2022.0	2022.0	Sentinel-3A	OLCI	2016-04-05 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3A OLCI Level-2 Regional Earth-observation Full Resolution (EFR) Ocean Color (OC) Data, version 2022.0	2022.0	Sentinel-3A	OLCI	2016-04-05 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3A OLCI Level-2 Regional Earth-observation Reduced Resolution (ERR) Ocean Color (OC) - Near Real-time (NRT) Data, version 2022.0	2022.0			2016-04-05 to Present			netCDF-4
Sentinel-3A OLCI Level-2 Regional Earth-observation Reduced Resolution (ERR) Ocean Color (OC) Data, version 2022.0	2022.0	Sentinel-3A	OLCI	2016-04-05 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3A OLCI Level-3 Global Binned Earth-observation Reduced Resolution (ERR) Remote-Sensing Reflectance (RRS) - Near Real-time (NRT) Data, version 2022.0	2022.0	Sentinel-3A	OLCI	2016-04-05 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3A OLCI Level-3 Global Binned Earth-observation Reduced Resolution (ERR) Remote-Sensing Reflectance (RRS) Data, version 2022.0	2022.0	Sentinel-3A	OLCI	2016-04-05 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3A OLCI Level-3 Global Mapped Earth-observation Reduced Resolution (ERR) Remote-Sensing Reflectance (RRS) - Near Real-time (NRT) Data, version 2022.0	2022.0	Sentinel-3A	OLCI	2016-04-05 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3A OLCI Level-3 Global Mapped Earth-observation Reduced Resolution (ERR) Remote-Sensing Reflectance (RRS) Data, version 2022.0	2022.0	Sentinel-3A	OLCI	2016-04-05 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3B OLCI Level-1B Earth-observation Full Resolution (EFR) Data, version 1	1	Sentinel-3B	OLCI	2018-04-25 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3B OLCI Level-2 Regional Earth-observation Full Resolution (EFR) Ocean Color (OC) - Near Real-time Data, version 2022.0	2022.0	Sentinel-3B	OLCI	2018-04-25 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3B OLCI Level-2 Regional Earth-observation Full Resolution (EFR) Ocean Color (OC) Data, version 2022.0	2022.0	Sentinel-3B	OLCI	2018-04-25 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3B OLCI Level-2 Regional Earth-observation Reduced Resolution (ERR) Ocean Color (OC) - Near Real-time (NRT) Data, version 2022.0	2022.0	Sentinel-3B	OLCI	2018-04-25 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3B OLCI Level-2 Regional Earth-observation Reduced Resolution (ERR) Ocean Color (OC) Data, version 2022.0	2022.0	Sentinel-3B	OLCI	2018-04-25 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3B OLCI Level-3 Global Binned Earth-observation Reduced Resolution (ERR) Remote-Sensing Reflectance (RRS) - Near Real-time (NRT) Data, version 2022.0	2022.0	Sentinel-3B	OLCI	2018-04-25 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3B OLCI Level-3 Global Binned Earth-observation Reduced Resolution (ERR) Remote-Sensing Reflectance (RRS) Data, version 2022.0	2022.0	Sentinel-3B	OLCI	2018-04-25 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3B OLCI Level-3 Global Mapped Earth-observation Reduced Resolution (ERR) Remote-Sensing Reflectance (RRS) - Near Real-time (NRT) Data, version 2022.0	2022.0	Sentinel-3B	OLCI	2018-04-25 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
Sentinel-3B OLCI Level-3 Global Mapped Earth-observation Reduced Resolution (ERR) Remote-Sensing Reflectance (RRS) Data, version 2022.0	2022.0	Sentinel-3B	OLCI	2018-04-25 to Present	N: 90 S: -90 E: 180 W: -180		netCDF-4
SHIFT: AVIRIS-NG L2A Orthorectified Surface Reflectance, V2	2	B-200	AVIRIS-NG	2022-02-24 to 2022-09-15	N: 35.1161 S: 33.9039 E: -118.036 W: -120.643		multiple
SHIFT: AVIRIS-NG L2A Unrectified Surface Reflectance Version 1	1	B-200	AVIRIS-NG	2022-02-24 to 2022-05-29	N: 34.8994 S: 33.8561 E: -117.847 W: -120.643		ENVI
SHIFT: Pseudo-invariant Targets, ASD Field Spectrometer Measurements, 2022	1	FIELD INVESTIGATION	SPECTRORADIOMETERS, SUN PHOTOMETERS	2022-03-01 to 2022-09-15	N: 34.75 S: 34.68 E: -120.03 W: -120.05		multiple
SHIFT: Ramses Trios Radiometer Above Water Measurements, Santa Barbara Sea, CA	1	FIELD SURVEYS	RADIOMETERS	2022-04-05 to 2022-05-29	N: 34.414 S: 34.4064 E: -119.681 W: -119.691		CSV
Shuttle SBUV (SSBUV) Level 2 Ozone Profile and Total Column, Aerosol Index, and UV-Reflectivity V008 (SSBUVO3) at GES DISC	008	STS-34, STS-41, STS-43, STS-45, STS-56, STS-62, STS-66, STS-72	SSBUV	1996-01-12 to 1996-01-18	N: 23 S: -29 E: 180 W: -180 , N: 58 S: -57 E: 180 W: -180 , N: 39 S: -28 E: 180 W: -180 , N: 56 S: -57 E: 180 W: -180 , N: 57 S: -36 E: 180 W: -180 , N: 29 S: -25 E: 180 W: -180 , N: 28 S: -29 E: 180 W: -180 , N: 34 S: -7 E: 180 W: -180	50 Kilometers x 50 Kilometers
SISTER: Experimental Workflows, Product Generation Environment, and Sample Data, V004	4	NOAA Twin Otter, NASA ER-2	AVIRIS	2011-05-13 to 2018-01-26	N: 39.0817 S: 21.2023 E: -107.962 W: -158.055		multiple

Featured Reflectance Observation Method: MODIS

The Moderate Resolution Imaging Spectroradiometer (MODIS) is a key instrument aboard the Terra and Aqua platforms. Terra and Aqua survey Earth's surface every one to two days, acquiring data in 36 spectral bands. The MODIS surface reflectance products provide an estimate of the surface spectral reflectance as it would be measured at ground level in the absence of atmospheric scattering or absorption.

Learn More About MODIS

Earthdata graphic identifier on top of image of Earth

ORNL DAAC's MODIS and VIIRS Data Tools and Services at your Fingertips

Join us to learn how to discover, subset, access and visualize both MODIS and VIIRS data products using a suite of user-friendly tools developed by NASA's ORNL DAAC.

A screenshot showing a portion of the FIRMS active fire map showing ultra real-time data

FIRMS Adds Ultra Real-Time Data from MODIS and VIIRS

Scientists develop routine service for wildfire detection in the continental United States with a latency of less than 60 seconds.

6 MIN READ

True color corrected reflectance image of Africa, Europe, and Asia from the VIIRS instrument aboard the NOAA-21 satellite

From MODIS to VIIRS: Continuing the Legacy

The Visible Infrared Imaging Radiometer Suite (VIIRS) will help ensure continuity of Earth observations after the upcoming retirement of the Moderate Resolution Imaging Spectroradiometer (MODIS).

Swath coverage for the continental US by OLI onboard Landsat 8 (orange) and Landsat 9 (red) on July 13, 2022

Characteristics of VIIRS, MODIS, and OLI Sensors and their Effects on the Spatial Extent of Daily Active Fire Data

Our experts break down the similarities and differences of Earth observation sensors operated by NASA.

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