Entry Title: Airborne Multi-angle Imaging SpectroRadiometer (AirMISR) Data from the Monterey 1999 Campaign
Entry ID: AIRMISR_MONTEREY_1999_1
Radiation Budget Field Campaigns
The AIRMISR_MONTEREY_1999 data were acquired on June 29, 1999 during a field mission which focused on Monterey, California. The Jet Propulsion Laboratory (JPL) in Pasadena, California provided the data. The Airborne Multi-angle Imaging SpectroRadiometer (AirMISR) is an airborne instrument for obtaining multi-angle imagery similar to that of the satellite-borne Multi-angle Imaging SpectroRadiometer (MISR) instrument, which is designed to contribute to studies of the Earth's ecology and climate. AirMISR flies on the NASA ER-2 aircraft. The Jet Propulsion Laboratory in Pasadena, California built the instrument for NASA.Unlike the satellite-borne MISR instrument, which has nine cameras oriented at various angles, AirMISR uses a single camera in a pivoting gimbal mount. A data run by the ER-2 aircraft is divided into nine segments, each with the camera positioned to a MISR look angle. The gimbal rotates between successive segments, such that each segment acquires data over the same area on the ground as the previous segment. This process is repeated until all nine angles of the target area are collected. The swath width, which varies from 11 km in the nadir to 32 km at the most oblique angle, is governed by the camera's instantaneous field-of-view of 7 meters cross-track x 6 meters along-track in the nadir view and 21 meters x 55 meters at the most oblique angle. The along-track image length at each angle is dictated by the timing required to obtain overlap imagery at all angles, and varies from about 9 km in the nadir to 26 km at the most oblique angle. Thus, the nadir image dictates the area of overlap that is obtained from all nine angles. A complete flight run takes approximately 13 minutes.The 9 camera viewing angles are:0 degrees or nadir26.1 degrees, fore and aft45.6 degrees, fore and aft60.0 degrees, fore and aft70.5 degrees, fore and aftFor each of the camera angles, images are obtained at 4 spectral bands. The spectral bands can be used to identify vegetation and aerosols, estimate surface reflectance and ocean color studies. The center wavelengths of the 4 spectral bands are:443 nanometers, blue555 nanometers, green670 nanometers, red865 nanometers, near-infraredTwo types of AirMISR data products are available - the Level 1 Radiometric product (L1B1) and the Level 1 Georectified radiance product (L1B2).
Resources and Documentation
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- NASA EOS ATB Documents: MISR
ALGORITHM THEORETICAL BASIS DOCUMENT (ATBD)
- ASDC Data and Information for AirMISR
- ASDC Data and Information for MISR
- Links to tools available through the ASDC
- MISR Observing Concept Fact Sheet
- Multi-angle Imaging SpectroRadiometer (MISR) Overview Fact Sheet
- ASDC Documents for Using AirMISR Data
- Readme to open and read AIRMISR L1B2 GP (Georectified Radiance Product) HDF-EOS data files
- MISR Workshop Presentations, June 2002 - August 2010
- Obtaining MISR Data and Information, Presented by Jeff Walter Atmospheric Science Data Center - April 17, 2009 - Direct File Download (.ppt)
- Quality Summary: AirMISR MONTEREY_1999
PRODUCT QUALITY ASSESSMENT
- AirMISR Data Products Specifications, December 21, 2000
- AirMISR Data Products Specifications, Rev. A, December 21,2000
- AirMISR Data Products Specifications, Rev. C, December 21,2000
- Data Product Specification for MISR - Revision S, April 15, 2011
- MISR Science Data Product Guide - May 7, 2012
- Journal of Geophysical Research Article: "Aerosol properties derived from aircraft multiangle imagingover Monterey Bay" by Ralph Kahn, Pranab Banerjee, Duncan McDonald, and John Martonchik, June 16, 2001
- Journal of Geophysical Research Article: "Sensitivity of multiangle imaging to natural mixturesof aerosols over ocean" by Ralph Kahn, Pranab Banerjee, and Duncan McDonald, August 27, 2001
- MISR Peer-Reviewed Publications
- NASA Earth Observatory Article: Looking at the Moon to Better See Earth - Terra satellite performs manuver that allows all nine of MISR's camera to capture images of the moon.
- NASA Earth Observatory Article: Squeezing Water from Rock - Survivors of the New Madrid earthquakes reported not only intense ground shaking and land movement, but also an unfamiliar phenomenon of water and sand spouting up through cracks in the Earth's surface.
- NASA Earth Observatory Article: Tracking Clouds - Tune in to the evening weather report on any given day, and you'll no doubt see satellite images of clouds.
- NASA Earthdata Content Delivery Network (CDN) Article: Aerosols over Australia - Researchers explore the links between atmospheric aerosols, climate change, and ultraviolet rays.
- NASA Earthdata Content Delivery Network (CDN) Article: Cloudy with a chance of Drizzle - By analyzing data from the MISR instrument, scientists discover that a unique type of cloud formation is much more prevalent than was previously believed.
- NASA Earthdata Content Delivery Network (CDN) Article: Following the World Trade Center plume - Remote sensing helps track the drift of harmful pollutants following the World Trade Center collapse.
- NASA Earthdata Content Delivery Network (CDN) Article: Smoke over Athens - The effects of forest fires show up in a multi-satellite view of pollution.
- NASA JPL Images: Tropical Storm Harvey over Texas - After making landfall as a Category 4 hurricane the day before, striking images are captured by MISR as the storm maintained a dangerous tropical storm status.
- NASA JPL Photojournal: New Images of Irma's Towering Clouds - MISR passes over Irma over the Dominican Republic as a Category 5 hurricane.
- AirMISR L1B2/L2AS Coregistration Tool Readme
- AirMISR Read Software Document Readme
- Readme Information about the AirMISR Data During a Flight over Monterey, California on June 29, 1999
From GCMD Science Keywords:
- INFRARED RADIANCE
- VISIBLE RADIANCE
- Digital Camera Output
- NASA ER-2
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Spatial Coverage Type: Horizontal
Horizontal Resolution Range: 1 meter - < 30 meters
Coordinate System: Geodetic
Granule Spatial Representation: Geodetic
CONTINENT NORTH AMERICA UNITED STATES OF AMERICA CALIFORNIA
Temporal Coverage: 1999-06-29 - 1999-07-13
Temporal Resolution: 40.8 microseconds