A compilation of global bio-optical in situ data for ocean-colour satellite applications – version three
- 1MARE - Marine and Environmental Sciences Centre, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal
- 2Plymouth Marine Laboratory, Plymouth, PL1 3DH, UK
- 3EUMETSAT, Eumetsat-Allee 1, 64295 Darmstadt, Germany
- 4Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche, LOV, F-06230 Villefranche-sur-Mer, France
- 5Remote Sensing and Satellite Research Group, School of Earth and Planetary Sciences, Curtin University, Perth, WA 6845, Australia
- 6University of Southern Mississippi, Stennis Space Center, MS, USA
- 7Bigelow Laboratory for Ocean Sciences, 60 Bigelow Dr., East Boothbay, ME 04544, Maine, USA
- 8ARGANS Ltd, UK
- 9CSIRO Oceans and Atmosphere, Australia
- 10Australian Research Data Commons
- 11Bayworld Centre for Research and Education, Cape Town, South Africa
- 12Université du Québec à Rimouski, Rimouski (Québec), Canada
- 13European Commission, Joint Research Centre, Ispra, Italy
- 14Dokuz Eylul University, Institute of Marine Science and Technology, Izmir, Turkey
- 15Institute of Marine Research, Bergen, Norway
- 16Alfred-Wegener-Institute Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
- 17Institute of Environmental Physics, University Bremen, Bremen, Germany
- 18CNR - ISMAR, Rome, Italy
- 19Monterey Bay Aquarium Research Institute, Moss Landing, CA, USA
- 20PLOCAN-Oceanic Platform of the Canary Islands. Carretera de Taliarte, 35214 Telde, Gran Canaria, Spain
- 21Naval Research Laboratory, Stennis Space Center, MS, USA
- 22Scripps Institution of Oceanography, University of California San Diego, CA, USA
- 23Spanish Institute of Oceanography (IEO), Corazón de María 8, 28002 Madrid, Spain
- 24Plentziako Itsas Estazioa/ Euskal Herriko Unibetsitatea (PIE/EHU), Areatza z/g, 48620 Plentzia, Spain
- 25Environmental Research Institute, North Highland College, University of the Highlands and Islands, Thurso, Scotland, UK
- 26NASA Goddard Space Flight Center, Greenbelt, Maryland, USA
- 27Earth Observation and Geoinformatics Division, National Space Research Institute (INPE), Sao Jose dos Campos, Brazil
- 28Operational Oceanography Group, Federal Maritime and Hydrographic Agency, Hamburg, Germany
- 29Department of Ecology, Environment and Plant Sciences, Stockholm University, 106 91 Stockholm, Sweden
- 30University of California Santa Cruz, Santa Cruz, CA USA
- 31Instituto del Mar del Perú
- 32Laboratoire d'Océanologie et de Géosciences, Université du Littoral-Côte-d'Opale, Université Lille, CNRS, UMR 8187, LOG, 32 avenue Foch, Wimereux, France
- 33Physics Dept, University of Strathclyde, Glasgow, G4 0NG, Scotland
- 34NASA Goddard Space Flight Center, Wallops Flight Facility, Wallops Island, VA, USA
- 35Institute for Marine Remote Sensing/ImaRS, College of Marine Science, University of South Florida, FL, USA
- 36Fisheries and Ecosystem Advisory Services, Marine Institute, Rinville – Oranmore, Galway, Ireland
- 37NOAA/NESDIS/STAR/SOCD, College Park, MD, USA
- 38Lyell Centre for Earth and Marine Science and Technology, Heriot-Watt University, Edinburgh, UK
- 39IFREMER Centre de Brest, Plouzane, France
- 40Ocean Biogeochemistry and Ecosystems, National Oceanography Centre, Waterfront Campus, Southampton, UK
- 41Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA, USA
- 42Harbor Branch Oceanographic Institute, Fort Pierce, FL, USA
- 43University of Miami, Coral Gables, FL, USA
- 44Royal Netherlands Institute for Sea Research, Texel, Netherlands
- 45Australian Antarctic Division; IMAS, University of Tasmania; and the Antarctic Climate and Ecosystems Cooperative Research Centre, Hobart, Australia
- 46Centre for Geography and Environmental Science, College of Life and Environmental Sciences, Penryn Campus, University of Exeter, Cornwall TR10 9FE, UK
- 47Science Systems and Applications, Inc., 10210 Greenbelt Road, Suite 600, Lanham, MD, USA
- 48Earth Research Institute, University of California, Santa Barbara, California, USA
- 49College of Marine Science, University of South Florida, 140 Seventh Avenue, South, St. Petersburg, FL 33701, USA
- 50School for Marine Science and Technology, University of Massachusetts Dartmouth, 836 South Rodney French Boulevard, New Bedford, MA 02744, USA
- 51Ocean Chemistry & Ecosystems Division, NOAA Atlantic Oceanographic and Meteorological Laboratory, Miami, FL USA
- 52Sorbonne Université, CNRS, Institut de la Mer de Villefranche, IMEV, F-06230 Villefranche-sur-Mer, France
- 53Institute of Carbon Cycles, Helmholtz-Zentrum Hereon, Geesthacht, Germany
- 54Marine Institute, Rinville, Oranmore, Galway, Ireland
- deceased
- 1MARE - Marine and Environmental Sciences Centre, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal
- 2Plymouth Marine Laboratory, Plymouth, PL1 3DH, UK
- 3EUMETSAT, Eumetsat-Allee 1, 64295 Darmstadt, Germany
- 4Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche, LOV, F-06230 Villefranche-sur-Mer, France
- 5Remote Sensing and Satellite Research Group, School of Earth and Planetary Sciences, Curtin University, Perth, WA 6845, Australia
- 6University of Southern Mississippi, Stennis Space Center, MS, USA
- 7Bigelow Laboratory for Ocean Sciences, 60 Bigelow Dr., East Boothbay, ME 04544, Maine, USA
- 8ARGANS Ltd, UK
- 9CSIRO Oceans and Atmosphere, Australia
- 10Australian Research Data Commons
- 11Bayworld Centre for Research and Education, Cape Town, South Africa
- 12Université du Québec à Rimouski, Rimouski (Québec), Canada
- 13European Commission, Joint Research Centre, Ispra, Italy
- 14Dokuz Eylul University, Institute of Marine Science and Technology, Izmir, Turkey
- 15Institute of Marine Research, Bergen, Norway
- 16Alfred-Wegener-Institute Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
- 17Institute of Environmental Physics, University Bremen, Bremen, Germany
- 18CNR - ISMAR, Rome, Italy
- 19Monterey Bay Aquarium Research Institute, Moss Landing, CA, USA
- 20PLOCAN-Oceanic Platform of the Canary Islands. Carretera de Taliarte, 35214 Telde, Gran Canaria, Spain
- 21Naval Research Laboratory, Stennis Space Center, MS, USA
- 22Scripps Institution of Oceanography, University of California San Diego, CA, USA
- 23Spanish Institute of Oceanography (IEO), Corazón de María 8, 28002 Madrid, Spain
- 24Plentziako Itsas Estazioa/ Euskal Herriko Unibetsitatea (PIE/EHU), Areatza z/g, 48620 Plentzia, Spain
- 25Environmental Research Institute, North Highland College, University of the Highlands and Islands, Thurso, Scotland, UK
- 26NASA Goddard Space Flight Center, Greenbelt, Maryland, USA
- 27Earth Observation and Geoinformatics Division, National Space Research Institute (INPE), Sao Jose dos Campos, Brazil
- 28Operational Oceanography Group, Federal Maritime and Hydrographic Agency, Hamburg, Germany
- 29Department of Ecology, Environment and Plant Sciences, Stockholm University, 106 91 Stockholm, Sweden
- 30University of California Santa Cruz, Santa Cruz, CA USA
- 31Instituto del Mar del Perú
- 32Laboratoire d'Océanologie et de Géosciences, Université du Littoral-Côte-d'Opale, Université Lille, CNRS, UMR 8187, LOG, 32 avenue Foch, Wimereux, France
- 33Physics Dept, University of Strathclyde, Glasgow, G4 0NG, Scotland
- 34NASA Goddard Space Flight Center, Wallops Flight Facility, Wallops Island, VA, USA
- 35Institute for Marine Remote Sensing/ImaRS, College of Marine Science, University of South Florida, FL, USA
- 36Fisheries and Ecosystem Advisory Services, Marine Institute, Rinville – Oranmore, Galway, Ireland
- 37NOAA/NESDIS/STAR/SOCD, College Park, MD, USA
- 38Lyell Centre for Earth and Marine Science and Technology, Heriot-Watt University, Edinburgh, UK
- 39IFREMER Centre de Brest, Plouzane, France
- 40Ocean Biogeochemistry and Ecosystems, National Oceanography Centre, Waterfront Campus, Southampton, UK
- 41Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA, USA
- 42Harbor Branch Oceanographic Institute, Fort Pierce, FL, USA
- 43University of Miami, Coral Gables, FL, USA
- 44Royal Netherlands Institute for Sea Research, Texel, Netherlands
- 45Australian Antarctic Division; IMAS, University of Tasmania; and the Antarctic Climate and Ecosystems Cooperative Research Centre, Hobart, Australia
- 46Centre for Geography and Environmental Science, College of Life and Environmental Sciences, Penryn Campus, University of Exeter, Cornwall TR10 9FE, UK
- 47Science Systems and Applications, Inc., 10210 Greenbelt Road, Suite 600, Lanham, MD, USA
- 48Earth Research Institute, University of California, Santa Barbara, California, USA
- 49College of Marine Science, University of South Florida, 140 Seventh Avenue, South, St. Petersburg, FL 33701, USA
- 50School for Marine Science and Technology, University of Massachusetts Dartmouth, 836 South Rodney French Boulevard, New Bedford, MA 02744, USA
- 51Ocean Chemistry & Ecosystems Division, NOAA Atlantic Oceanographic and Meteorological Laboratory, Miami, FL USA
- 52Sorbonne Université, CNRS, Institut de la Mer de Villefranche, IMEV, F-06230 Villefranche-sur-Mer, France
- 53Institute of Carbon Cycles, Helmholtz-Zentrum Hereon, Geesthacht, Germany
- 54Marine Institute, Rinville, Oranmore, Galway, Ireland
- deceased
Abstract. A global in-situ data set for validation of ocean-colour products from the ESA Ocean Colour Climate Change Initiative (OC-CCI) is presented. This version of the compilation, starting in 1997, now extends to 2021, which is important for the validation of the most recent satellite optical sensors such as Sentinel 3B OLCI and NOAA-20 VIIRS. The data set comprises in-situ observations of the following variables: spectral remote-sensing reflectance, concentration of chlorophyll-a, spectral inherent optical properties, spectral diffuse attenuation coefficient and total suspended matter. Data were obtained from multi-project archives acquired via open internet services, or from individual projects, acquired directly from data providers. Methodologies were implemented for homogenisation, quality control and merging of all data. Minimal changes were made on the original data, other than conversion to a standard format, elimination of some points after quality control and averaging of observations that were close in time and space. The result is a merged table available in text format. Overall, the size of the data set grew with 151,673 rows, with each row representing a unique station in space and time (cf 136,250 rows in previous version; Valente et al., 2019). Observations of remote-sensing reflectance increased to 68,641 (cf 59,781 in previous version; Valente et al., 2019). There was also a near tenfold increase in chlorophyll data since 2016. Metadata of each in situ measurement (original source, cruise or experiment, principal investigator) are included in the final table. By making the metadata available, provenance is better documented, and it is also possible to analyse each set of data separately. The compiled data are available at https://doi.pangaea.de/10.1594/PANGAEA.941318 (Valente et al., 2022).
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André Valente et al.
Status: final response (author comments only)
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CC1: 'Comment on essd-2022-159', Francis Gohin, 31 May 2022
Providing easy-to-use datasets to a wide community is an excellent initiative. Regarding the file of chlorophyll concentrations, Ifremer's data are available through the ices collection (stations of the french coastal REPHY network, up to 2007) and through the mermaid collection. In this latter group, mermaid_MAREL-carnot, mermaid_MAREL-itroise and mermaid_MAREL-vilaine data are derived from fluorescence measured at the MAREL instrumented buoys. Although most of these MAREL data are of good quality I would suggest suppressing them as they are not free of errors, particularly in case of biofouling of the sensors.
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RC1: 'Comment on essd-2022-159', Anonymous Referee #1, 10 Jul 2022
This is an important effort because this kind of database will contribute to validate various ocean colour products and improve their interoperability. The continuous update is also meaningful.
In this revision, aph was especially increased and the grids of wavelengths became increased. I’ve read the data files and operated them, and did not have any problem.
In the operational point of view, it was not easy to read the increasing text table (e.g., about 1000 columns for Rrs and 2500 columns for IOP), so I hope it will be stored by NetCDF (or other better ways) in the future version.
I just find a minor mistypo:
Figure 2: unit of rrs seems wrong: m^-1 should be sr^-1
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RC2: 'Comment on essd-2022-159', Andre Belo-Couto, 08 Aug 2022
In my opinion the paper is very well crafted an of high very quality, as it is the dataset.
The dataset is a unique and of high interest for the ocean colour community.
However,
I do have a concern,
This paper is regarding a 3rd version of the dataset, meaning that there are already 2 other papers published previously regarding the this dataset. Hence, the dataset is not new, but updated.
As such, this paper shows that the number of observations for the recent years as increased significantly when comparing with the previous version(V2).
This paper, however, is basically a copy from the V2 paper (Valente et al. 2019) with some additional paragraphs to let the reader know how much new data there is. Even the figures, 16 of them, are the same as in the previous paper (except figure 1). Which might be the intentional, as it is indeed an update on the description of a previous version of the same dataset.
I don't know the policy of the journal regarding the publication of papers that describe/discuss the updated of a dataset.
In my view, it would be more interesting, and beneficial to the reader (and public in general), to present and discuss how the new update changed the past version(s) of the dataset. Whereas there would be no need to maintain the same text/discussions/figures from previous papers. As this knowledge is already published, thus, it already has a doi to be referred to. Unless, of course these results/discussions changed due to the new update.
Further general comments below:
. it would be useful to know up front, i.e. in the introduction, how much data from which project was added in this new version of the dataset.
. the new dataset is improved by
. v3 uses AERONET-OC v3
. more observations
. the description of a few datasets do not add anything from the previous dataset paper, for e.g., ARCSSPP does not add anything to a new version as it only provides data from 1954 to 2006
. the same as above for:
. GeP&CO it ran from 1999 to 2002
. BARENTSSEA 1997 to 2013
. BIOCHEM 1997 to 2014
. ESTOC from 1994 to 2011
. Figure 1 doesn’t seem to cover the beginning of the data range wavelengths, i.e., 313 nm, it seems to start between 360 and 340 nm
. ~15% increase of data from Valente et al 2019, from previous existing stations. This information should be in the introduction, so we know up front what the update is.
. Results section (copy from the v2 paper + some paragraphs stating that there is an increase of obs. in the current version)
4th paragraph - some general results on chla (as in V2 paper)
+ a sentence on increasing n obs between V2 and V3 (+5% fluor, +16% hplc)
. question: (not that it is significant, but) why are the limits for both types of chl methods different? I.e.,
0.001 < chla_fluor < 100
0.002 < chla_hplc < 99.8
6th paragraph - relationship between rrs ratio with chla
Id it change between different versions? If so, any mechanism that could explain it? (for e.g., predominance of El Nino/La Nina phases during the new coverage?)
. it would be interesting to see if some descriptive relationship statistics evolution between versions, for e.g. coefficient of correlation, between the nasa algorithms and the rrs/chla ratio found in the V1, V2 and V3
7th paragraph - general results of aph, adg, bbp
+ only new data for aph (+30%)
8th paragraph - Kd didn't change (as in V2 paper, no need to repeat, already discussed)
9ht paragraph – as in V2 paper
F1 is new from V2 paper
F2 to F 16 are as in V2 paper (with some, F6, F12, F13, F16 showing statistic values slightly changed)
André Valente et al.
Data sets
A compilation of global bio-optical in situ data for ocean-colour satellite applications - version 3 Valente, André; Sathyendranath, Shubha; Brotas, Vanda; Groom, Steve; Grant, Michael; Jackson, Thomas; Chuprin, Andrei; Taberner, Malcolm; Airs, Ruth; Antoine, David; Arnone, Robert; Balch, William M; Barker, Kathryn; Barlow, Ray; Bélanger, Simon; Berthon, Jean-François; Besiktepe, Sukru; Borsheim, Yngve; Bracher, Astrid; Brando, Vittorio E; Brewin, Robert J W; Canuti, Elisabetta; Chavez, Francisco P; Cianca, Andres; Claustre, Hervé; Clementson, Lesley; Crout, Richard; Ferreira, Afonso; Freeman, Scott; Frouin, Robert; García-Soto, Carlos; Gibb, Stuart W; Goericke, Ralf; Gould, Richard; Guillocheau, Nathalie; Hooker, Stanford B; Hu, Chuamin; Kahru, Mati; Kampel, Milton; Klein, Holger; Kratzer, Susanne; Kudela, Raphael M; Ledesma, Jesus; Lohrenz, Steven; Loisel, Hubert; Mannino, Antonio; Martinez-Vicente, Victor; Matrai, Patricia A; McKee, David; Mitchell, Brian G; Moisan, Tiffany; Montes, Enrique; Muller-Karger, Frank E; Neeley, Aimee; Novak, Michael G; O'Dowd, Leonie; Ondrusek, Michael; Platt, Trevor; Poulton, Alex J; Repecaud, Michel; Röttgers, Rüdiger; Schroeder, Thomas; Smyth, Timothy J; Smythe-Wright, Denise; Sosik, Heidi; Thomas, Crystal S; Thomas, Rob; Tilstone, Gavin H; Tracana, Andreia; Twardowski, Michael S; Vellucci, Vincenzo; Voss, Kenneth; Werdell, Jeremy; Wernand, Marcel Robert; Wojtasiewicz, Bozena; Wright, Simon; Zibordi, Giuseppe https://doi.pangaea.de/10.1594/PANGAEA.941318
André Valente et al.
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