Satellite earth observation in operational oceanography

Johannessen, Ola M.; Sandven, Stein; Jenkins, Alastair D.; Durand, Dominique; Pettersson, Lasse H.; Espedal, Heidi; Evensen, Geir; Hamre, Torill

doi:10.1016/s0378-3839(00)00030-2

Cited by 33 publications

(15 citation statements)

References 53 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Satellite observations are useful in identifying physical ocean processes and features such as fronts and eddies (Cornillon et al 1987, Sur et al 1994, Bardey et al 1999, Johannessen et al 2000, Hoge & Lyon, 2005. This information could be applied to aid in assigning dynamic province boundaries, which would be superior to the static boundaries that have been used so far.…”

Section: Introductionmentioning

confidence: 99%

Delineation of ecological provinces using ocean colour radiometry

Devred¹,

Sathyendranath²,

Platt³

2007

Mar. Ecol. Prog. Ser.

110

View full text Add to dashboard Cite

In 2003, Canadian Surface Ocean LowerAtmosphere Study conducted 3 research expeditions (April-May, July and October) to the Northwest Atlantic to study gas exchange at the air-sea interface. Interpreting the relationships between gas exchange and biological activity measured in these expeditions is facilitated if the water masses sampled can be identified in a large-scale context. Longhurst et al. (1995) tackled the issue of water mass characterisation by defining biogeochemical provinces for the world ocean and in particular for the NW Atlantic. To avoid the limitations that arise from the static arrangement of provinces with rectilinear boundaries as used in Longhurst et al. (1995), we developed a dynamic method based on statistical analysis of geophysical and biological data to delineate the boundaries of Longhurst's provinces in real time. This new method was applied to satelliteretrieved sea-surface temperature (SST) and phytoplankton biomass data averaged over the length of the research cruises (22, 17 and 16 d in spring, summer and fall respectively). CTD casts at various stations along the ship track were used to validate the method. A sensitivity study on primary production estimations performed with both definitions (static and dynamic) showed a negligible difference at the basin scale; however, variations at the province scale were significant. The regional description afforded by the new method was useful for the interpretation of expedition data.

show abstract

Section: Introductionmentioning

confidence: 99%

Delineation of ecological provinces using ocean colour radiometry

Devred¹,

Sathyendranath²,

Platt³

2007

Mar. Ecol. Prog. Ser.

110

View full text Add to dashboard Cite

show abstract

“…Progress in aircraft and satellite remote sensing (Johannessen et al, 2000) will dictate the rate of development of operational oceanography for many variables and para meters. Lead times of a decade or more are required for the development of new sensors, commercial production of proto type instruments, and international agreement on new satellite programs.…”

Section: Operational Oceanographymentioning

confidence: 99%

Measurement Technologies

Souza

Bolanos-Sanchez

Wolf

et al. 2011

Treatise on Estuarine and Coastal Science

View full text Add to dashboard Cite

“…Satellites have contributed greatly in studying water currents and by interpreting Landsat's TM images we can easier study coastal hydrodynamics. Combining satellite data along with mathematical modelling procedures ( [13], [7], [14], [9]) is a very useful tool for the earth scientists as it can provide fast and reliable results without the need of direct field observation of the studied physical phenomenon. The melding of data and dynamics is a powerful methodology, which makes possible the accurate and realistic estimations that otherwise, would not be feasible.…”

Section: Introductionmentioning

confidence: 99%

Application of Landsat imagery, to verify near shore water circulation of Saronikos gulf, as resulted from numerical modelling

Zacharias

Fakiris

2005

Appl. Num. Anal. Comp. Math.

View full text Add to dashboard Cite

Hydrodynamic numerical models nowadays offer great aid when studying the physical behavior of coastal waters. However, the calibration and furthermore the verification of such models, is a difficult process that should be applied carefully, especially when little direct hydrodynamic data has been collected from the study area. This paper suggests a methodology for indirect verification of mathematical coastal circulation models, by means of image processing and interpretation of Landsat's TM reflective bands 3 and 6 imagery. This approach is an efficient practice and is easily available even though no field survey was carried out. This method was successfully applied to Saronikos Gulf and in particular to gulf of Megara, located westwards of Salamis Island, where the dispersion of a plume formed by urban waste waters was examined. The satellite data processing derivatives were found to be in accordance with the results of the circulation simulation and thus the parameters used for the calibration of the model can be considered successfully selected.

show abstract

Satellite earth observation in operational oceanography

Cited by 33 publications

References 53 publications

Delineation of ecological provinces using ocean colour radiometry

Delineation of ecological provinces using ocean colour radiometry

Measurement Technologies

Application of Landsat imagery, to verify near shore water circulation of Saronikos gulf, as resulted from numerical modelling

Contact Info

Product

Resources

About