Results 251 to 260 of about 125,832 (310)

Analysis of spatiotemporal change characteristics of Poyang Lake from 1984 to 2021 based on GEE. [PDF]

Sci Rep
Qiu H, Zhang Q.
europepmc   +1 more source

Surface Water Transitions 1984-2022: A Global Dataset at Annual Resolution. [PDF]

Sci Data
Nagel GW, Darby SE, Leyland J.
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Mapping and modelling land degradation vulnerability in a semi-arid region: a case study from Battalgazi District, Turkiye. [PDF]

PeerJ
Kılıç M.
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Evaluation of the Landsat-5 TM and Landsat-7 ETM+ surface reflectance products

Remote Sensing of Environment, 2015
Abstract Maintaining consistent datasets of Surface Reflectance (SR) is an important challenge to ensure long-term quality of Climate Data Records. The Landsat 5 and 7 archives offer a unique data source to monitor globally the land surface at high spatial resolution.
Martin Claverie, Eric F. Vermote, Belen Franch, Jeffrey G. Masek   +3 more
openaire   +3 more sources

Landsat 5/Landsat 7 underfly cross-calibration experiment

SPIE Proceedings, 2000
There was a one-time opportunity to obtain nearly coincident coverage from both Landsat 5 and Landsat 7 as Landsat 7 drifted to its final orbital position during the initialization and verification phase following launch. During the underfly period, Landsat 7 Enhanced Thematic Mapper Plus (ETM+) data were collected using the U.S Landsat 7 ground ...
Grant R. Mah, James E. Vogelmann, Michael Choate   +2 more
openaire   +1 more source

Landsat-7 and Landsat-5 thermal band calibration updates

SPIE Proceedings, 2009
ABSTRACT Landsat-7 ETM+, launched in April 1999, and Landsat-5 TM, launched in 1984, both have a single thermal band. Both instruments’ thermal band calibrations have been updated: ETM+ in 2001 for a pre-launch calibration error and TM in 2007 for data acquired since the current era of vicarious ca libration has been in place (1999) .
Julia A. Barsi, Brian L. Markham, John R. Schott, Simon J. Hook, Nina G. Raqueno   +4 more
openaire   +1 more source

Radiometric calibration status of Landsat-7 and Landsat-5

SPIE Proceedings, 2007
Launched in April 1999, Landsat-7 ETM+ continues to acquire data globally. The Scan Line Corrector in failure in 2003 has affected ground coverage and the recent switch to Bumper Mode operations in April 2007 has degraded the internal geometric accuracy of the data, but the radiometry has been unaffected.
Julia A. Barsi, Brian L. Markham, Dennis L. Helder, Gyanesh Chander   +3 more
openaire   +1 more source

Cross-calibration of the Landsat-4 and Landsat-5 thematic mappers

SPIE Proceedings, 2005
The Landsat Thematic Mappers have obtained imagery of the Earth's surface since 1982 with the launch of Landsat 4. However, the absolute calibration of this first instrument, as well as it's cross-calibration to the other two thematic mappers on Landsat 5 and 7, remains in question.
Cory Mettler, Dennis Helder
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Landsat-5 Thematic Mapper outgassing effects

IEEE Transactions on Geoscience and Remote Sensing, 2004
A periodic 3% to 5% variation in detector response affecting both image and internal calibrator (IC) data has been observed in bands 5 and 7 of the Landsat-5 Thematic Mapper. The source for this variation is thought to be an interference effect due to buildup of an ice-like contaminant film on a ZnSe window, covered with an antireflective coating (ARC),
D.L. Helder, E. Micijevic
openaire   +1 more source