An analysis of surface and bottom effects on CALIOP-derived waveforms in shallow waters of the Gulf of Saint Lawrence
In: Ocean sciences meeting ; https://hal.archives-ouvertes.fr/hal-01345002 ; Ocean sciences meeting, AGU-ASLO, Feb 2016, New-Orleans, United States ; http://osm.agu.org/2016/, 2016
Konferenz
Zugriff:
International audience ; The Canadian coastline is the longest in the world and is undergoing a major retreat due to regional climate change and human activities. These changes are expected to be associated to specific patterns of water turbidity. Here, the influence of waves, bubbles and bottom characteristics (depth and reflectance) on volume backscattering profiles derived from the spaceborne Lidar sensor CALIOP is investigated in adjacent waters to La Boule Bay, Canada. Case studies are investigated based on a Lidar simulator (Wav-Lid) and inherent optical properties computed from remote sensing reflectance measurements as derived from MODIS-Aqua. For a concentration of suspended particulate matter of 0.1, 1 and 10 g m-3, the impact of bottom contribution to total backscattering signal was minimal when the bottom depth was 30, 10 and 1 m respectively. These results are valid as long as the sea surface is flat and the Lidar signal is unpolarized.
| Titel: |
An analysis of surface and bottom effects on CALIOP-derived waveforms in shallow waters of the Gulf of Saint Lawrence
|
|---|---|
| Autor/in / Beteiligte Person: | Montes-Hugo, Martin ; Vuorenkoski, Anni ; Dalgleish, Fraser ; Bailly, Jean-Stéphane ; Baghdadi, Nicolas ; Laboratoire d'étude des Interactions Sol - Agrosystème - Hydrosystème (UMR LISAH) ; Institut de Recherche pour le Développement (IRD)-Institut National de la Recherche Agronomique (INRA)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro) ; Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro) ; AgroParisTech ; Territoires, Environnement, Télédétection et Information Spatiale (UMR TETIS) ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-AgroParisTech-Centre National de la Recherche Scientifique (CNRS)-Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad) ; Programme Samuel de Champlain France-Québec ; AGU-ASLO |
| Link: | |
| Zeitschrift: | Ocean sciences meeting ; https://hal.archives-ouvertes.fr/hal-01345002 ; Ocean sciences meeting, AGU-ASLO, Feb 2016, New-Orleans, United States ; http://osm.agu.org/2016/, 2016 |
| Veröffentlichung: | HAL CCSD, 2016 |
| Medientyp: | Konferenz |
| Schlagwort: |
|
| Sonstiges: |
|