Observatoire CRIOBE - Wiki | Tongatapu (Tonga) EN

tongatapu tonga polynesia mana pacifique sud

Memorandum of Understanding available here : MOU_Tonga.pdf

Localisation
The transects and the thermometer are at -12 meters depth on the outer slope.
21°04.046'S/175°20.256'W (conversion DM/DMS)
The wave probe is at -38m.
To be added soon

Program
The Polynesia Mana since 2009

	The analysis of the coral cover is done using four methods: Photo-quadrat coral transect Coral survey by "manta tow" Underwater seascape photography Photogrammetry You can access to and to the photo quadrats

Year	Rugosity parallel	Rugosity perpendicular	Height SD parallel	Height SD perpendicular
2019	1.7460 (sd 0.0929)	1.7485(sd 0.1038)	0.1808	0.1422
2022	1.4815 (sd 0.0803)	1.4533(sd 0.0606)	0.1564	0.1397
2024	1.4697 (sd 0.0702)	1.4705(sd 0.0516)	0.1731	0.1388

	The fish are estimated using ichtyological assessment. Here are the data

	The measures of the waves are done using the the SBE 26 Seagauge wave and tide recorder. Here are the data

	The temperature is recorded using the SBE 26 Seagauge wave and tide recorder (see the previous link to access the data) and also using the SBE 56 Thermometer. Here are the thermometer data

Quadrat n°10 on the outer slope of Tongatapu, in 2015/CRIOBE

3D reconstruction of the site (2019)/CRIOBE

3D reconstruction of the site (2022)/CRIOBE

Click here to access an interactive video to compare 2019 and 2022 (warning 400MB of video)

Historique Tonga
Données brutes de suivi des équipements. Les dates affichées correspondent à la date de modification du fichier informatique en laboratoire.

Date	Departure	Arrival	Instrument
2013-11-13 07:59:03	CRIOBE > Tonga	CRIOBE > Moorea	SBE26 houlographe 1303 - perdue
2013-11-13 08:03:55	CRIOBE > Moorea	CRIOBE > Tonga	SBE26 houlographe 1280
2015-10-27 22:18:26	CRIOBE > Moorea	CRIOBE > Tonga	SBE26 houlographe 1303 - perdue
2015-11-11 02:32:02	CRIOBE > Tonga	CRIOBE > Moorea	SBE26 houlographe 1280
2017-10-18 07:52:19	CRIOBE > Tonga (14)	CRIOBE > Moorea > CRIOBE (33)	SBE26 houlographe 1303 - perdue
2017-10-18 07:53:37	CRIOBE > Moorea > CRIOBE (33)	CRIOBE > Tonga (14)	SBE26 houlographe 1303 - perdue
2019-10-15 02:51:59	CRIOBE > Moorea > CRIOBE (33)	CRIOBE > Tonga (14)	SBE56Temp 1633 - perdue
2019-10-16 23:39:29	CRIOBE > Moorea > CRIOBE (33)	CRIOBE > Tonga (14)	wave Gauge Blue 10-22-01 161062 ou 19-3-14 #003 - perdue
2019-10-27 04:21:23	CRIOBE > Tonga (14)	CRIOBE > Moorea > CRIOBE (33)	SBE26 houlographe 1303 - perdue
2019-10-27 10:38:54	CRIOBE > Moorea > CRIOBE (33)	CRIOBE > Tonga (14)	SBE26 houlographe 1303 - perdue
2022-07-25 23:13:50	CRIOBE > Moorea > CRIOBE (33)	CRIOBE > Tonga (14)	SBE56Temp 3434
2022-08-10 07:46:28	CRIOBE > Moorea > CRIOBE (33)	CRIOBE > Tonga (14)	wave Gauge Blue 1108453 - 20-11-22-002
2024-03-23 02:35:43	CRIOBE > Moorea > CRIOBE (33)	CRIOBE > Tonga (14)	wave Gauge Blue 19-10-23-003

blog mission

Mission octobre 2017

gsiu Thursday October 19, 2017

Retrait du thermographe SBE56 n° et Hobo n°
Changement de houlographe SBE26 n° de série 1303 (reprogrammation sur place)
Commentaires: pas de commentaire particulier

lien vers GLPI

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Mission novembre 2015

Cecile Wednesday December 30, 2015

thermographe polynesia mana houlographe

Changement de thermographe SBE56
Changement de houlographe SBE26 n° de série 1303
Commentaires: pas de commentaire particulier

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Mission novembre 2013

Cecile Saturday March 30, 2013

thermographe polynesia mana houlographe

Changement de thermographe SBE56
Changement de houlographe SBE26 n° de série 1280
Commentaires: pas de commentaire particulier

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