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García-Herrera, Ricardo; Können, Gunther P; Wheeler, Dennis A; Prieto, Maria del Rosario; Jones, Philip D; Koek, Frits B (2010): Meteorological observations during No. 12 cruise from Bayonne to Bordeaux started at 1787-09-08 [dataset]. Centre d'Accueil et de Recherche des Archives Nationales, Paris, France, PANGAEA, https://doi.org/10.1594/PANGAEA.750955, In: Jones, Philip D; Wheeler, Dennis A; Können, Gunther P; Koek, Frits B; Prieto, Maria del Rosario; García-Herrera, Ricardo (2007): Climatological observations from ship logbooks between 1750 and 1854 (release 2.1) [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.611088

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Related to:
García-Herrera, Ricardo; Können, Gunther P; Wheeler, Dennis A; Prieto, Maria del Rosario; Jones, Philip D; Koek, Frits B (2005): CLIWOC: A Climatological Database for the World's Oceans 1750–1854 (and 10 more publications about CLIWOC results in the same volume). Climatic Change, 73(1-2), 1-12ff, https://doi.org/10.1007/s10584-005-6952-6
Funding:
Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00090: Climatological Database for the Worlds Oceans: 1750-1854
Coverage:
Median Latitude: 44.980000 * Median Longitude: -1.930000 * South-bound Latitude: 44.980000 * West-bound Longitude: -1.970000 * North-bound Latitude: 44.980000 * East-bound Longitude: -1.890000
Date/Time Start: 1787-09-08T00:00:00 * Date/Time End: 1787-09-17T00:00:00
Event(s):
No_12_17870908_COTE_4/JJ/32 * Latitude Start: 43.540000 * Longitude Start: -1.580000 * Latitude End: 45.596000 * Longitude End: -1.333000 * Date/Time Start: 1787-09-08T00:00:00 * Date/Time End: 1787-09-17T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: No. 12 (Paquebot), Voyage: Bayonne - Bordeaux, 1st Observer: Mullon (Capitan)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DATE/TIMEDate/TimeGeocode
LATITUDELatitudeGeocode
LONGITUDELongitudeGeocode
Wind directiondddegWind direction (from which the wind is blowing) in whole degrees from: 1-360; 361 = calm, 362 = variable. It is not clear from many logbook entries whether the wind direction has been corrected for the magnetic variation (or declination). To avoid any misunderstanding, all winds from reports that included a valid position in the period 1750-1854 were corrected. All other wind directions are given without being corrected.
Wind speedffm/scalculated from the descriptive terms of wind force given in the observations
--1 If position is considered to be coastal (in port or near coastal disturbances)
CommentCommentOther remarks, that were not possible to put in the other remark fields
DeclinationDecldegIt is generally accepted by the CLIWOC team that the wind directions, reported by the ships officers, were relative to the magnetic North direction. Navigators were well aware of the difference between the true and magnetic north direction, but the compasses (we assumed that the bearing-compasses were mostly used for determining the wind direction) were not always adjusted. Therefore the wind direction has to be corrected. The magnetic declination (or variation, as it is known on board ships) is given for the whole CLIWOC period (1750-1850) for every 5x5 degree square. The number was added to the wind direction to get the true wind direction.
Wind direction descriptionWind dir descrAll reported wind directions on this day. The wind direction is the direction that points to where the wind comes from.
10 Wind force descriptionWind force descrAll reported wind forces on this day
11 Present weatherwwWeather description
12 GustsGusts1 If wind gusts are reported
13 Precipitation/RainRain1 If rain was reported
14 FogFog1 If fog was reported
15 Snow typeSnow1 If snow was reported
16 ThunderThunder1 If thunder and or lightning was reported
17 HailHail1 If hail was reported
18 Sea iceSea ice1 If sea-ice or icebergs were reported
19 IdentificationIDCLIWOC 2.1 line number
Size:
80 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Date/Time

Latitude

Longitude

dd [deg]

ff [m/s]

-

Comment

Decl [deg]

Wind dir descr
10 
Wind force descr
11 
ww
12 
Gusts
13 
Rain
14 
Fog
15 
Snow
16 
Thunder
17 
Hail
18 
Sea ice
19 
ID
1787-09-08T00:001DEPART DE BAYONNE. MOUILLÉ AU BOUCAUD0000000178547
1787-09-13T00:00906.71APAREILLÉ DE BOUCAUD POUR BORDEAUXAU EJOLIE FRAIS0000000178548
1787-09-14T12:0044.98-1.892726.7-21AU ONOJOLIE FRAIS0000000178549
1787-09-15T12:0044.98-1.972274.6MOUILLÉ PAR LE TRAVERS DE SUZAC-21AU OSOPETITE FRAISCHARGÉ0000000178550
1787-09-16T00:002481APAREILLÉ DE SUZAC ET MOUILLÉ AU LISLE DU NORDAU OSOPAR GRAINS1000000178551
1787-09-17T00:0022515.41APAREILLÉ ET MOUILLÉ A LARMONTDU SOGRAND FRAISPAR GRAINS1000000178552