Meeting:Abstract 2011 CSDMS meeting-001: Difference between revisions
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{{CSDMS meeting personal information template | {{CSDMS meeting personal information template | ||
|CSDMS meeting phone=303 | |||
|CSDMS meeting first name=Albert | |CSDMS meeting first name=Albert | ||
|CSDMS meeting last name=Kettner | |CSDMS meeting last name=Kettner | ||
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|CSDMS meeting country=USA | |CSDMS meeting country=USA | ||
|CSDMS meeting email address=kettner@colorado.edu | |CSDMS meeting email address=kettner@colorado.edu | ||
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{{CSDMS meeting abstract yes no | {{CSDMS meeting abstract yes no | ||
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|CSDMS meeting first name=Albert | |||
|CSDMS meeting last name=Kettner | |||
|CSDMS meeting institute=instaar | |||
|CSDMS meeting city=Boulder | |||
|CSDMS meeting state=Alabama | |||
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|CSDMS meeting email address=kettner@colorado.edu | |||
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|CSDMS meeting coauthor email address=huttone@colorado.edu | |CSDMS meeting coauthor email address=huttone@colorado.edu | ||
|CSDMS meeting first name=Albert | |||
|CSDMS meeting last name=Kettner | |||
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|CSDMS meeting coauthor email address=Fei.Xing@colorado.edu | |CSDMS meeting coauthor email address=Fei.Xing@colorado.edu | ||
|CSDMS meeting first name=Albert | |||
|CSDMS meeting last name=Kettner | |||
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Previous studies have indicated remote sensing can be applied to measure SSC, however, often this involves either Landsat TM or ETM+ data, which has a low temporal resolution (~16 days), or MODIS data that has been applied to only single river systems. Here we present a technique applying freely available twice-daily Moderate Resolution Imaging Spectroradiometer (MODIS) optical data to determine SSC. The two MODIS instruments aboard the Terra and Aqua satellites provide global coverage at a spatial resolution varying between 250 and 1000 m, depending on spectral band; automated processing and distribution by NASA further provide these data in convenient geocoded raster formats. Cloud cover constrains SSC measurements; therefore, an algorithm is used that ingests four images (the Terra and Aqua images of each day, for two days), in combination with a cloud shadow filter, to provide daily update. USGS gauging stations are used to validate the SSC optical measurements. Presented results will reveal how well suspended sediment concentrations are measured with MODIS. | Previous studies have indicated remote sensing can be applied to measure SSC, however, often this involves either Landsat TM or ETM+ data, which has a low temporal resolution (~16 days), or MODIS data that has been applied to only single river systems. Here we present a technique applying freely available twice-daily Moderate Resolution Imaging Spectroradiometer (MODIS) optical data to determine SSC. The two MODIS instruments aboard the Terra and Aqua satellites provide global coverage at a spatial resolution varying between 250 and 1000 m, depending on spectral band; automated processing and distribution by NASA further provide these data in convenient geocoded raster formats. Cloud cover constrains SSC measurements; therefore, an algorithm is used that ingests four images (the Terra and Aqua images of each day, for two days), in combination with a cloud shadow filter, to provide daily update. USGS gauging stations are used to validate the SSC optical measurements. Presented results will reveal how well suspended sediment concentrations are measured with MODIS. | ||
|CSDMS meeting first name=Albert | |||
|CSDMS meeting last name=Kettner | |||
|CSDMS meeting institute=instaar | |||
|CSDMS meeting city=Boulder | |||
|CSDMS meeting state=Alabama | |||
|CSDMS meeting country=USA | |||
|CSDMS meeting email address=kettner@colorado.edu | |||
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{{CSDMS meeting abstract figures | {{CSDMS meeting abstract figures | ||
|CSDMS meeting abstract figure=Test figure conference.jpg | |CSDMS meeting abstract figure=Test figure conference.jpg | ||
|CSDMS meeting abstract figure caption=Test figure for the conference website | |CSDMS meeting abstract figure caption=Test figure for the conference website | ||
|CSDMS meeting first name=Albert | |||
|CSDMS meeting last name=Kettner | |||
|CSDMS meeting institute=instaar | |||
|CSDMS meeting city=Boulder | |||
|CSDMS meeting state=Alabama | |||
|CSDMS meeting country=USA | |||
|CSDMS meeting email address=kettner@colorado.edu | |||
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|CSDMS meeting abstract figure=Test figure conference.jpg | |CSDMS meeting abstract figure=Test figure conference.jpg | ||
|CSDMS meeting abstract figure caption=Test figure 2 for the conference website | |CSDMS meeting abstract figure caption=Test figure 2 for the conference website | ||
|CSDMS meeting first name=Albert | |||
|CSDMS meeting last name=Kettner | |||
|CSDMS meeting institute=instaar | |||
|CSDMS meeting city=Boulder | |||
|CSDMS meeting state=Alabama | |||
|CSDMS meeting country=USA | |||
|CSDMS meeting email address=kettner@colorado.edu | |||
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{{blank line template|CSDMS meeting first name=Albert | |||
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|CSDMS meeting city=Boulder | |||
|CSDMS meeting state=Alabama | |||
|CSDMS meeting country=USA | |||
|CSDMS meeting email address=kettner@colorado.edu | |||
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|CSDMS meeting abstract simulation=JUN_2008_AUG_2008.mp4 | |CSDMS meeting abstract simulation=JUN_2008_AUG_2008.mp4 | ||
|CSDMS meeting image simulation=JUN_2008_AUG_2008.jpg | |CSDMS meeting image simulation=JUN_2008_AUG_2008.jpg | ||
|CSDMS meeting abstract simulation caption=Test movie capture | |CSDMS meeting abstract simulation caption=Test movie capture | ||
|CSDMS meeting first name=Albert | |||
|CSDMS meeting last name=Kettner | |||
|CSDMS meeting institute=instaar | |||
|CSDMS meeting city=Boulder | |||
|CSDMS meeting state=Alabama | |||
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|CSDMS meeting first name=Albert | |||
|CSDMS meeting last name=Kettner | |||
|CSDMS meeting institute=instaar | |||
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|CSDMS meeting first name=Albert | |||
|CSDMS meeting last name=Kettner | |||
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|CSDMS meeting city=Boulder | |||
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|Check in date=2011/10/28 | |Check in date=2011/10/28 | ||
|Check out date=2011/10/30 | |Check out date=2011/10/30 | ||
|Share a room= | |Share a room=No | ||
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Revision as of 08:58, 18 July 2011
| You probably paid. If not: | 
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"USA" is not in the list (Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Australia, Austria, ...) of allowed values for the "Country member" property.
Browse abstracts
CSDMS all hands meeting 2011
Albert Kettner choose to not submit an abstract for this conference.
Eric Hutton, instaar Boulder NO STATE, USA"USA" is not in the list (Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Australia, Austria, ...) of allowed values for the "CSDMS meeting coauthor country" property.. huttone@colorado.edu
Fei Xing, INSTAAR Boulder Colorado, USA"USA" is not in the list (Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Australia, Austria, ...) of allowed values for the "CSDMS meeting coauthor country" property.. Fei.Xing@colorado.edu
[[Image:|300px|right|link=File:]]With existing satellite sensors it is already possible to estimate fluvial water discharges with global coverage on an almost daily basis. For example, for the project River Watch, a cooperative sub project of the Dartmouth Flood Observatory, daily water discharge is estimated for over 2500 selected river sites since 2002, using a method developed for NASA's AMSR-E passive microwave radiometer (http://floodobservatory.colorado.edu). Further development of this and related methods could significantly complement existing in situ river measurements which are potentially more accurate but also less consistent, more costly, and subject to failure during large floods. Extending the River Watch project, our goal is to add suspended sediment concentration (SSC) measurements to a subset of the 2500 river sites as well.
Previous studies have indicated remote sensing can be applied to measure SSC, however, often this involves either Landsat TM or ETM+ data, which has a low temporal resolution (~16 days), or MODIS data that has been applied to only single river systems. Here we present a technique applying freely available twice-daily Moderate Resolution Imaging Spectroradiometer (MODIS) optical data to determine SSC. The two MODIS instruments aboard the Terra and Aqua satellites provide global coverage at a spatial resolution varying between 250 and 1000 m, depending on spectral band; automated processing and distribution by NASA further provide these data in convenient geocoded raster formats. Cloud cover constrains SSC measurements; therefore, an algorithm is used that ingests four images (the Terra and Aqua images of each day, for two days), in combination with a cloud shadow filter, to provide daily update. USGS gauging stations are used to validate the SSC optical measurements. Presented results will reveal how well suspended sediment concentrations are measured with MODIS.
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