数据说明
SeaWiFS Particulate Organic Carbon (POC)
上传时间：2019-05-23 00:05:25 浏览次数：作者与来源：admin
Particulate organic carbon is defined as the organic matter that is not able to pass through a filter (filters generally range in size between 0.7 and 0.22 um).
Unit: mg/m3
Resolution: 9km pixel, monthly
Duration: Sep. 1997 to Dec. 2010.
Source: Sea-viewing Wide Field-of-view Sensor(SeaWiFS), NASA
Version: 2018
Processing: Original daily and monthly mean products are shown.
POC here calculated using an empirical relationship derived from in situ measurements of POC and blue-to-green band ratios of remote sensing reflectances (Rrs). The algorithm is a power law applied to a blue-to-green band ratio. The algorithm for VIIRS has been shown below:
poc=a×(Rrs(443)/Rrs(551))b
where a = 203.2; b = -1.034
Known issues
1. Satellite-to-in-situ validation results are available from the SeaWiFS Bio-Optical Archive and Storage System (SeaBASS) for seaWIFS. And the result shows a mean bias of 0.94858 and a mean absolute error(MAE) of 1.34854.
2. It is worth noting that the products here are mainly used to estimate the POC of the global ocean. When estimating the POC of a regional area, it is necessary to use the measured POC data to verify the applicability of the products presented here.
Reference
Stramski, D., Reynolds, R. A., Babin, M., Kaczmarek, S., Lewis, M. R., Röttgers, R., … Claustre, H. Relationships between the surface concentration of particulate organic carbon and optical properties in the eastern South Pacific and eastern Atlantic Oceans. Biogeosciences, 2008,5(1):171-201. DOI:10.5194/bg-5-171-2008
All the contents of this page are quoted from NASA. All project documentation and related publications can be found at the website:https://oceancolor.gsfc.nasa.gov/
Unit: mg/m3
Resolution: 9km pixel, monthly
Duration: Sep. 1997 to Dec. 2010.
Source: Sea-viewing Wide Field-of-view Sensor(SeaWiFS), NASA
Version: 2018
Processing: Original daily and monthly mean products are shown.
POC here calculated using an empirical relationship derived from in situ measurements of POC and blue-to-green band ratios of remote sensing reflectances (Rrs). The algorithm is a power law applied to a blue-to-green band ratio. The algorithm for VIIRS has been shown below:
poc=a×(Rrs(443)/Rrs(551))b
where a = 203.2; b = -1.034
Known issues
1. Satellite-to-in-situ validation results are available from the SeaWiFS Bio-Optical Archive and Storage System (SeaBASS) for seaWIFS. And the result shows a mean bias of 0.94858 and a mean absolute error(MAE) of 1.34854.
2. It is worth noting that the products here are mainly used to estimate the POC of the global ocean. When estimating the POC of a regional area, it is necessary to use the measured POC data to verify the applicability of the products presented here.
Reference
Stramski, D., Reynolds, R. A., Babin, M., Kaczmarek, S., Lewis, M. R., Röttgers, R., … Claustre, H. Relationships between the surface concentration of particulate organic carbon and optical properties in the eastern South Pacific and eastern Atlantic Oceans. Biogeosciences, 2008,5(1):171-201. DOI:10.5194/bg-5-171-2008
All the contents of this page are quoted from NASA. All project documentation and related publications can be found at the website:https://oceancolor.gsfc.nasa.gov/
