Simultaneous measurements of remote lidar chlorophyll and surface CO2 distributions in the Ross Sea
Authors: R. Barbini1; R. Fantoni1; A. Palucci1; F. Colao1; S. Sandrini2; S. Ceradini3; L. Tositti2; O. Tubertini2; G. M. Ferrari4
Source: International Journal of Remote Sensing, Volume 24, Number 19, 2003 , pp. 3807-3819(13)
Publisher: Taylor and Francis Ltd
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Abstract:
A comparison between continuous lidar fluorosensor chlorophyll-a measurements and partial pressure of CO2 (pCO2) in surface water is presented. The data were gathered during the XVI Italian Antarctic expedition in the Western Ross Sea and crossing the Southern Ocean. Anticorrelation between CO2 levels and chlorophyll-a determinations was observed throughout the cruise in the late austral summer 2000/01. The survey revealed the presence of high productivity in polynya regions and close to the ice edges. The lidar data, reported here, are consistent with the results of previous campaigns conducted in the same investigated area. The relationship between pCO2 and chlorophyll-a concentration are discussed in terms of biologically driven phenomena responsible for the pCO2 undersaturation with respect to the atmospheric value during the austral summer.Document Type: Research article
DOI: 10.1080/014311603103446274
Affiliations: 1: National Institut for Energy, Environment and New Technologies (ENEA) Applied Physics Department, Via Fermi 45, 00044 Frascati Rome Italy 2: University of Bologna Department of Chemistry via Selmi, 2 Bologna Italy 3: Italian Electrotecnic Experimental Centre (CESI) Spa via Rubattino, 54 Milan Italy 4: European Community-Joint Research Centre Ispra Varese Italy
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