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Global Change Master Directory (GCMD)
Aircraft Scanners
Entry ID: AERIALDIGI


Summary
Abstract: The National Aeronautics and Space Administration (NASA) Aircraft
Scanners data set contains digital imagery acquired from several
multispectral scanners, including Daedalus thematic mapper simulator
scanners and the thermal infrared multispectral scanner. Data are
collected from selected areas over the conterminous United States,
Alaska, and Hawaii by NASA ER-2 and NASA C-130B aircraft, operating
from the NASA Ames Research Center in Moffett Field, California, and by
NASA Learjet aircraft, operating from Stennis Space Center in Bay St.
Louis, Mississippi. Limited international acquisitions also are
available.

In cooperation with the Jet Propulsion Laboratory and Daedalus
Enterprises,Inc., NASA developed several multispectral sensors. The
data acquired from these sensors supports NASA's Airborne Science and
Applications Program and have been identified as precursors to the
instruments scheduled to fly on Earth Observing System platforms.

THEMATIC MAPPER SIMULATOR

The Thematic Mapper Simulator (TMS) sensor is a line scanning device
designed for a variety of Earth science applications. Flown aboard
NASA ER-2 aircraft, the TMS sensor has a nominal Instantaneous Field of
View of 1.25 milliradians with a ground resolution of 81 feet (25 meters)
at 65,000 feet. The TMS sensor scans at a rate of 12.5 scans per second
with 716 pixels per scan line. Swath width is 8.3 nautical miles
(15.4 kilometers) at 65,000 feet while the scanner's Field of View is
42.5 degrees.

NS-001 MULTISPECTRAL SCANNER

The NS-001multispectral scanner is a line scanning device designed to
simulate Landsat thematic mapper (TM) sensor performance, including a
near infrared/short-wave infrared band used in applications similar to those
of the TM sensor (e.g., Earth resources mapping, vegetation/land cover
mapping, geologic studies). Flown aboard NASA C-130B aircraft, the NS-001
sensor has a nominal Instantaneous Field of View of 2.5 milliradians with a
ground resolution of 25 feet (7.6 meters) at 10,000 feet. The sensor has a
variable scan rate (10 to 100 scans per second) with 699 pixels per scan line,
but the available motor drive supply restricts the maximum stable scan speed
to approximately 85 revolutions per second. A scan rate of 100 revolutions per
second is possible, but not probable, for short scan lines; therefore, a
combination of factors, including aircraft flight requirements and maximum
scan speed, prevent scanner operation below 1,500 feet. Swath width is 3.9
nautical miles (7.26 kilometers) at 10,000 feet, and the total scan angle or
field of regard for the sensor is 100 degrees, plus or minus 15 degrees for
roll compensation.

THERMAL INFRARED MULTISPECTRAL SCANNER

The Thermal Infrared Multispectral Scanner (TIMS) sensor is a line scanning
device originally designed for geologic applications. Flown aboard NASA
C-130B, NASA ER-2, and NASA Learjet aircraft, the TIMS sensor has a
nominal Instantaneous Field of View of 2.5 milliradians with a ground
resolution of 25 feet (7.6 meters) at 10,000 feet. The sensor has a
selectable scan rate (7.3, 8.7, 12, or 25 scans per second) with 698 pixels
per scan line. Swath width is 2.6 nautical miles (4.8 kilometers) at
10,000 feet while the scanner's Field of View is 76.56 degrees.

Related URL
Link: View Related Information
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Geographic Coverage
 N: 72.0 S: 24.0  E: -60.0  W: -180.0

Data Set Citation
Dataset Creator: EROS Long Term Archive
Dataset Title: Aircraft Scanners
Dataset Release Date: 1993-01-01T00:00:00.000Z
Dataset Release Place: Sioux Falls, South Dakota, USA
Dataset Publisher: U.S. Geological Survey
Version: Not provided
Data Presentation Form: Remote Sensing Image


Temporal Coverage
Start Date: 1987-10-06


Location Keywords
CONTINENT > NORTH AMERICA > CANADA
CONTINENT > NORTH AMERICA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > ALASKA > ALASKA


Science Keywords
ATMOSPHERE >ATMOSPHERIC RADIATION >OUTGOING LONGWAVE RADIATION    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >REFLECTANCE    [Definition]
SPECTRAL/ENGINEERING >INFRARED WAVELENGTHS >INFRARED IMAGERY    [Definition]
SPECTRAL/ENGINEERING >INFRARED WAVELENGTHS >THERMAL INFRARED    [Definition]
SPECTRAL/ENGINEERING >VISIBLE WAVELENGTHS >VISIBLE IMAGERY    [Definition]


Platform
NASA ER-2 >NASA Earth Resources-2    [Information]


Instrument
NS-001 TMS >NS-001 Thematic Mapper Simulator    [Information]
TIMS >Thermal Infrared Multispectral Scanner    [Information]
TMS >Thematic Mapper Simulator    [Information]


Project
EOSDIS >Earth Observing System Data Information System    [Information]
ELTA >EROS Long Term Archive    [Information]


Access Constraints
None


Use Constraints
There is no guarantee of warranty concerning the accuracy of these data. Users should be aware that temporal changes may have occurred since the data was collected and that some parts of these data may no longer represent actual surface conditions. Users should not use these data for critical applications without a full awareness of their limitations. Acknowledgement of the originating agencies would be appreciated in products derived from these data. Any user who modifies the data set is obligated to describe the types of modifications they perform. User specifically agrees not to misrepresent the data set, nor to imply that changes made were approved or endorsed by the U.S. Geological Survey. Please refer to http://www.usgs.gov/privacy.html for the USGS disclaimer.


Keywords
NASA/ESIP > NASA Earth Science Information Partners
Program
AIRCRAFT
DAAC
DIGITAL
USGS/EROS
LP DAAC
EOSDIS
JPL
MULTISPECTRAL SCANNER
NASA C-130B
NASA ER-2
NASA LEARJET
NS-001
RADIANCE
THEMATIC MAPPER SIMULATOR
TIMS
TMS
USGS


Data Set Progress
ACTIVE


Data Center
Earth Resources Observation and Science Center, U.S. Geological Survey, U.S. Department of the Interior    [Information]
Data Center URL: https://www.usgs.gov/centers/eros

Data Center Personnel
Name: EROS CENTER
Phone: 605-594-6151, 800-252-4547
Fax: 605-594-6589
Email: lta at usgs.gov
Contact Address:
LTA Customer Services
U.S. Geological Survey
EROS Center
47914 252nd Street
City: Sioux Falls
Province or State: SD
Postal Code: 57198-0001
Country: USA



Distribution
Distribution_Media: Digital Download
Fees: None


Personnel
EROS CENTER
Role: TECHNICAL CONTACT
Phone: 605-594-6151, 800-252-4547
Fax: 605-594-6589
Email: lta at usgs.gov
Contact Address:
LTA Customer Services
U.S. Geological Survey
EROS Center
47914 252nd Street
City: Sioux Falls
Province or State: SD
Postal Code: 57198-0001
Country: USA


Extended Metadata Properties
(Click to view more)

Creation and Review Dates
DIF Creation Date: 1970-01-01
Last DIF Revision Date: 2019-03-25



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