A compilation of global bio-optical in situ data for ocean-colour satellite applications &ndash; version three

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; Beşiktepe, Şükrü; Borsheim, Yngve; Bracher, Astrid; Brando, Vittorio; Brewin, Robert J. W.; Canuti, Elisabetta; Chavez, Francisco P.; Cianca, Andrés; 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; Ledesma, Jesus; Lohrenz, Steven; Loisel, Hubert; Mannino, Antonio; Martinez-Vicente, Victor; Matrai, Patricia; McKee, David; Mitchell, Brian G.; Moisan, Tiffany; Montes, Enrique; Muller-Karger, Frank; Neeley, Aimee; Novak, Michael; O'Dowd, Leonie; Ondrusek, Michael; Platt, Trevor; Poulton, Alex J.; Repecaud, Michel; Röttgers, Rüdiger; Schroeder, Thomas; Smyth, Timothy; Smythe-Wright, Denise; Sosik, Heidi M.; Thomas, Crystal; Thomas, Rob; Tilstone, Gavin; Tracana, Andreia; Twardowski, Michael; Vellucci, Vincenzo; Voss, Kenneth; Werdell, Jeremy; Wernand, Marcel; Wojtasiewicz, Bozena; Wright, Simon; Zibordi, Giuseppe

doi:https://doi.org/10.5194/essd-2022-159

Preprints

https://doi.org/10.5194/essd-2022-159

Preprints

20 May 2022

Status: this preprint is currently under review for the journal ESSD.

A compilation of global bio-optical in situ data for ocean-colour satellite applications – version three

André Valente¹, Shubha Sathyendranath², Vanda Brotas^1,2, Steve Groom², Michael Grant^2,3, Thomas Jackson², Andrei Chuprin², Malcolm Taberner³, Ruth Airs², David Antoine^4,5, Robert Arnone⁶, William M. Balch⁷, Kathryn Barker^8,9,10, Ray Barlow¹¹, Simon Bélanger¹², Jean-François Berthon¹³, Şükrü Beşiktepe¹⁴, Yngve Borsheim¹⁵, Astrid Bracher^16,17, Vittorio Brando^9,18, Robert J. W. Brewin^2,46, Elisabetta Canuti¹³, Francisco P. Chavez¹⁹, Andrés Cianca²⁰, Hervé Claustre⁴, Lesley Clementson⁹, Richard Crout²¹, Afonso Ferreira¹, Scott Freeman^26,47, Robert Frouin²², Carlos García-Soto^23,24, Stuart W. Gibb²⁵, Ralf Goericke²², Richard Gould²¹, Nathalie Guillocheau⁴⁸, Stanford B. Hooker²⁶, Chuamin Hu⁴⁹, Mati Kahru²², Milton Kampel²⁷, Holger Klein²⁸, Susanne Kratzer²⁹, Raphael Kudela³⁰, Jesus Ledesma³¹, Steven Lohrenz⁵⁰, Hubert Loisel³², Antonio Mannino²⁶, Victor Martinez-Vicente², Patricia Matrai⁷, David McKee³³, Brian G. Mitchell²², Tiffany Moisan^34,, Enrique Montes⁵¹, Frank Muller-Karger³⁵, Aimee Neeley²⁶, Michael Novak²⁶, Leonie O'Dowd³⁶, Michael Ondrusek³⁷, Trevor Platt^2,, Alex J. Poulton³⁸, Michel Repecaud³⁹, Rüdiger Röttgers⁵³, Thomas Schroeder⁹, Timothy Smyth², Denise Smythe-Wright⁴⁰, Heidi M. Sosik⁴¹, Crystal Thomas²⁶, Rob Thomas⁵⁴, Gavin Tilstone², Andreia Tracana¹, Michael Twardowski⁴², Vincenzo Vellucci⁵², Kenneth Voss⁴³, Jeremy Werdell²⁶, Marcel Wernand^44,, Bozena Wojtasiewicz⁹, Simon Wright⁴⁵, and Giuseppe Zibordi¹³ André Valente et al.

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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

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Received: 11 May 2022 – Discussion started: 20 May 2022

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).

How to cite. Valente, A., Sathyendranath, S., Brotas, V., Groom, S., Grant, M., Jackson, T., Chuprin, A., Taberner, M., Airs, R., Antoine, D., Arnone, R., Balch, W. M., Barker, K., Barlow, R., Bélanger, S., Berthon, J.-F., Beşiktepe, Ş., Borsheim, Y., Bracher, A., Brando, V., Brewin, R. J. W., Canuti, E., Chavez, F. P., Cianca, A., Claustre, H., Clementson, L., Crout, R., Ferreira, A., Freeman, S., Frouin, R., García-Soto, C., Gibb, S. W., Goericke, R., Gould, R., Guillocheau, N., Hooker, S. B., Hu, C., Kahru, M., Kampel, M., Klein, H., Kratzer, S., Kudela, R., Ledesma, J., Lohrenz, S., Loisel, H., Mannino, A., Martinez-Vicente, V., Matrai, P., McKee, D., Mitchell, B. G., Moisan, T., Montes, E., Muller-Karger, F., Neeley, A., Novak, M., O'Dowd, L., Ondrusek, M., Platt, T., Poulton, A. J., Repecaud, M., Röttgers, R., Schroeder, T., Smyth, T., Smythe-Wright, D., Sosik, H. M., Thomas, C., Thomas, R., Tilstone, G., Tracana, A., Twardowski, M., Vellucci, V., Voss, K., Werdell, J., Wernand, M., Wojtasiewicz, B., Wright, S., and Zibordi, G.: A compilation of global bio-optical in situ data for ocean-colour satellite applications – version three, Earth Syst. Sci. Data Discuss. [preprint], https://doi.org/10.5194/essd-2022-159, in review, 2022.

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André Valente et al.

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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.

Citation: https://doi.org/10.5194/essd-2022-159-CC1
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

Citation: https://doi.org/10.5194/essd-2022-159-RC1
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)

4^th 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

  6^th 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

7^th 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)

Citation: https://doi.org/10.5194/essd-2022-159-RC2

André Valente et al.

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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

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Short summary

A compiled set of in situ data is vital to evaluate the quality of ocean-colour satellite data records. Here we describe the global compilation of bio-optical in situ data (spanning from 1997 to 2021) used for the validation of the ocean-colour products from the ESA Ocean Colour Climate Change Initiative (OC-CCI). The compilation merges and harmonizes several in situ data sources into a simple format that could be used directly for the evaluation of satellite-derived ocean-colour data.


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