Next Article in Journal
Estimating the Maximal Light Use Efficiency for Different Vegetation through the CASA Model Combined with Time-Series Remote Sensing Data and Ground Measurements
Next Article in Special Issue
A Hyperspectral Thermal Infrared Imaging Instrument for Natural Resources Applications
Previous Article in Journal
Hyperspectral Distinction of Two Caribbean Shallow-Water Corals Based on Their Pigments and Corresponding Reflectance
Previous Article in Special Issue
A Quantitative Approach for Analyzing the Relationship between Urban Heat Islands and Land Cover
Remote Sens. 2012, 4(12), 3833-3856; doi:10.3390/rs4123833
Article

Pan-Arctic Land Surface Temperature from MODIS and AATSR: Product Development and Intercomparison

* ,
,
 and
Interdisciplinary Centre on Climate Change (IC3), University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada
* Author to whom correspondence should be addressed.
Received: 12 October 2012 / Revised: 26 November 2012 / Accepted: 27 November 2012 / Published: 5 December 2012
View Full-Text   |   Download PDF [2964 KB, uploaded 19 June 2014]   |  

Abstract

Models and observations show that the Arctic is experiencing the most rapid changes in global near-surface air temperature. We developed novel EASE-grid Level 3 (L3) land surface temperature (LST) products from Level 2 (L2) AATSR and MODIS data to provide weekly, monthly and annual LST means over the pan-Arctic region at various grid resolutions (1–25 km) for the past decade (2000–2010). In this paper, we provide: (1) a review of previous validation of MODIS/AATSR L2; (2) a description of the processing chain of L3 products; (3) an assessment of the 25 km products uncertainty, and; (4) a quantification of the bias introduced by over-representing clear-sky days in MODIS L3 products. In addition, we generated uncertainty maps by comparing L3 products with LST from passive microwave sensors (AMSR-E and SSM/I) and the North American Regional Reanalysis (NARR). Results show a close correspondence between MODIS and AATSR monthly products with a mean-difference (MD) of −1.1 K. Comparing L3 products with NARR indicates a close agreement in summer and a systematic bias in winter, which is entirely negative with respect to MODIS L3 (MD: −3.6, Min: −6.8, Max: −1 K). Comparing monthly averaged MODIS L3 to NARR clear-sky to quantify over-representing clear-sky days indicates a decrease of winter and an increase of summer difference compared to NARR all-sky. Finally, we provide suggestions to improve LST retrieval over Arctic regions.
Keywords: land surface temperature; Arctic; AATSR; MODIS; passive microwave; atmospheric reanalysis land surface temperature; Arctic; AATSR; MODIS; passive microwave; atmospheric reanalysis
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
SciFeed

Share & Cite This Article

Further Mendeley | CiteULike
Export to BibTeX |
EndNote |
RIS
MDPI and ACS Style

Soliman, A.; Duguay, C.; Saunders, W.; Hachem, S. Pan-Arctic Land Surface Temperature from MODIS and AATSR: Product Development and Intercomparison. Remote Sens. 2012, 4, 3833-3856.

View more citation formats

Related Articles

Article Metrics

For more information on the journal, click here

Comments

[Return to top]
Remote Sens. EISSN 2072-4292 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert