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Biogeochemical properties of the Ross Sea retrieved from in situ and remote optoelectronics devices during the Austral summer 1997-98

R. BARBINI1, M. CABRINI2, F. COLAO1, R. FANTONI1, L. FIORANI1,* , S. FONDA UMANI2, N. V. KOLODIKOVA3, L. LAZZARA4, A. PALUCCI1, F. PARMIGGIANI5

Affiliation

  1. Sezione Applicazioni Laser – ENEA, Via Fermi 45, 00044 Frascati, Italy
  2. Laboratorio di Biologia Marina, Via Piccard 54, 34010 Trieste, Italy
  3. Tomsk State University of control Systems and Radioelectronics, Lenin Avenue 40, 634050 Tomsk, Russia
  4. Dipartimento di Biologia Animale e Genetica – Università di Firenze, Via Pieraccini 6, 50125 Firenze, Italy
  5. Istituto di Scienze dell’Atmosfera e del Clima – CNR, Via Gobetti 101, 40129 Bologna, Italy

Abstract

The Southern Ocean and, in particular, the Ross Sea are among the more productive water bodies of the world ocean. The great impact of primary production on the global carbon cycle and, consequently, on the future climate justifies the large efforts devoted to its accurate assessment. In this paper, we present the results obtained with in situ optical methods (phytoplankton composition and pigment recognition), an active remote sensor (lidar fluorosensor) and passive remote sensors (satellite radiometers), in the framework of the 13th Italian Antarctic Oceanographic Campaign (December 1997 – January 1998). The synoptic picture gained by the integration of those different optoelectronics devices reveal interesting features of the phytoplankton blooms taking place in the Ross Sea during the Austral summer 1997-98. In particular, our primary production data are higher than previous estimates..

Keywords

Lamp spectrofluorometer, Lidar fluorosensor, Satellite radiometer, Phytoplankton, Antarctica.

Submitted at: June 27, 2006
Accepted at: July 20, 2006

Citation

R. BARBINI, M. CABRINI, F. COLAO, R. FANTONI, L. FIORANI, S. FONDA UMANI, N. V. KOLODIKOVA, L. LAZZARA, A. PALUCCI, F. PARMIGGIANI, Biogeochemical properties of the Ross Sea retrieved from in situ and remote optoelectronics devices during the Austral summer 1997-98, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 4, pp. 1565-1573 (2006)