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LIDAR CALIBRATED SATELLITE SENSED PRIMARY PRODUCTION IN THE SOUTHERN OCEAN

R. Barbini1, F. Colao1, R. Fantoni1, L. Fiorani1,* , I. G. Okladnikov2, A. Palucci1

Affiliation

  1. ENEA, FIS-LAS, Via Fermi 45, 00044 Frascati, Italy
  2. ENEA guest (IMCES, SCERT, Akademicheskii Avenue 10/3, 634055 Tomsk, Russia)

Abstract

The carbon cycle is among the more important global phenomena affecting the Earth’s cli mate. The Southern Ocean is probably one of the less studied oceanic provinces and a thor ough understanding of its role in that natural process requires further study. In this paper, new estimates of the primary production (PP) of Antarctic waters from 1997 to 2003 are provided. They are based on a PP model tuned in Antarctica and on satellite derived chloro phyll-a (Chl-a) concentrations calculated with an original bio-optical algorithm calibrated with lidar measurements carried out in the Southern Ocean. The results presented here indi cate that usual PP models applied to standard Chl-a concentrations can underestimate PP up to 50%..

Keywords

Remote sensing, Lidar, Satellite radiometer, Chlorophyll, Primary productivity.

Submitted at: Feb. 4, 2005
Accepted at: March 23, 2005

Citation

R. Barbini, F. Colao, R. Fantoni, L. Fiorani, I. G. Okladnikov, A. Palucci, LIDAR CALIBRATED SATELLITE SENSED PRIMARY PRODUCTION IN THE SOUTHERN OCEAN, Journal of Optoelectronics and Advanced Materials Vol. 7, Iss. 2, pp. 1091-1101 (2005)