Maritorena, Stephane: UCSB (Project Lead)
Project Funding:
2011 - 2015
NRA: 2009 NASA: The Science of Terra and Aqua
Funded by NASA
Abstract:
We propose to develop the GSM model which is a well documented and vastly used multispectral semi-analytical ocean color model that we have developed at ICESS/UCSB. We propose to modify the GSM model so it can account for fluorescence which should help better constraint the model and improve Chlorophyll and phytoplankton absorption retrievals in both oceanic and coastal waters. Although MODIS does not have UV bands, we also propose to extend the GSM model into the UV region to help discriminate better between phytoplankton and colored dissolved organic matter (CDOM) absorption which are not well separated by the current 412 nm band in ocean color sensors. In upgrading GSM, we also plan on making it fully hyperspectral so it can be adapted and applied to MODIS and other sensors. Model development and later tests and validations of the different components of the model will performed using existing in situ data from our field campaigns and other existing public data sets. The model will be adapted to the MODIS bands and applied to the satellite data. In parallel, we will conduct a complete error and uncertainty analysis of the model and data as we have done in the past.
In summary, our objectives are to:
- Develop and add a fluorescence module for the GSM model
- Investigate and add a UV component to the GSM model
- Make the GSM model hyperspectral and adaptable to multispectral sensors like MODIS
- Develop a complete end-to-end error budget (inputs, model, outputs)
- Apply the model and error budget to the MODIS data
More details may be found in the following project profile(s):
