Integrated Marine Informations System - IMIS

Persons | Institutes | Publications | Projects | Datasets | Maps
[ report an error in this record ]basket (0): add | show Print this page

In situ evidence of non-zero reflectance in the OLCI 1020 nm band for a turbid estuary
Knaeps, E.; Dogliotti, A.I.; Raymaekers, D.; Ruddick, K.; Sterckx, S. (2012). In situ evidence of non-zero reflectance in the OLCI 1020 nm band for a turbid estuary. Remote Sens. Environ. 120(SI): 133-144. http://dx.doi.org/10.1016/j.rse.2011.07.025
Peer reviewed article  

Available in  Authors 

Author keywords
    SWIR; OLCI; Water; Black pixel assumption

Project Top | Authors 
  • BELCOLOUR-2 : Optical remote sensing of marine, coastal and inland waters

Authors  Top 
  • Knaeps, E., more
  • Dogliotti, A.I., more
  • Raymaekers, D., more

Abstract
    A spectroradiometer able to measure up to 2500 nm has been used to measure the reflectance for the Ocean and Land Color Instrument (OLCI) 1020 nm band. In July and October 2010 two measurement campaigns were organized at the Scheldt river to collect reflectance spectra and corresponding Total Suspended Matter (TSM) concentration and turbidity. A wide range of TSM concentration was covered from 15 to 402 mg L- 1. The measurements show a significant increase in reflectance between 950 and 1150 nm, corresponding to a decrease in the pure water absorption coefficient. A high correlation was observed between the reflectance at 1020 and 1071 nm and TSM concentration. The results were confirmed by simulations with Hydrolight and by the analysis of airborne Airborne Prism EXperiment (APEX) imagery.

All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy Top | Authors