Spatio-temporal variations in chlorophyll-a concentration in the patagonic continental shelf: An example of satellite time series processing with GRASS GIS temporal modules

Veronica Andreo, Ana I. Dogliotti, Carolina Beatriz Tauro, Markus Neteler

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

1 Citation (Scopus)

Abstract

We studied the spatio-temporal variations of chlorophyll-a concentration and phytoplankton blooms in the continental shelf and shelf break of the Argentinean patagonic region by means of a time series of 11-years of MODIS/Aqua level 3 (L3) chlorophyll product. We aggregated data according to different granularities and estimated annual and monthly anomalies. We also studied the phenology of phytoplankton blooms determining bloom starting date and date of maximum concentration. Finally, we estimated and described statistical indexes such as minimum and maximum bloom areas, their occurrence date and bloom occurrence frequency. All the temporal processing of this raster dataset was done with the recently implemented temporal modules of GRASS GIS 7. This Free and Open Source Software provides the advantage of automating all (or most of) the processing, allowing the application of the same methodology to analyze satellite time series of different variables, like sea surface temperature.

Original languageEnglish
Title of host publication2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Place of PublicationPiscataway, NJ
PublisherIEEE
Pages2249-2252
Number of pages4
ISBN (Electronic)978-1-4799-7929-5
ISBN (Print)978-1-4799-7928-8
DOIs
Publication statusPublished - 10 Nov 2015
Externally publishedYes
EventIEEE International Geoscience and Remote Sensing Symposium, IGARSS 2015: Remote Sensing: Understanding the Earth for a Safer World - Milan, Italy
Duration: 26 Jul 201531 Jul 2015
http://www.igarss2015.org/

Publication series

NameIEEE International Geoscience and Remote Sensing Symposium (IGARSS)
PublisherIEEE
ISSN (Print)2153-6996
ISSN (Electronic)2153-7003

Conference

ConferenceIEEE International Geoscience and Remote Sensing Symposium, IGARSS 2015
Abbreviated titleIGARSS 2015
CountryItaly
CityMilan
Period26/07/1531/07/15
Internet address

Keywords

  • Argentina
  • Chlorophyll-a
  • GRASS GIS 7
  • MODIS
  • time series analysis

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    Andreo, V., Dogliotti, A. I., Tauro, C. B., & Neteler, M. (2015). Spatio-temporal variations in chlorophyll-a concentration in the patagonic continental shelf: An example of satellite time series processing with GRASS GIS temporal modules. In 2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS) (pp. 2249-2252). [7326254] (IEEE International Geoscience and Remote Sensing Symposium (IGARSS)). Piscataway, NJ: IEEE. https://doi.org/10.1109/IGARSS.2015.7326254