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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 Le Triton cruise from Malaga to Louisbourg started at 1751-05-23 [dataset]. Centre d'Accueil et de Recherche des Archives Nationales, Paris, France, PANGAEA, https://doi.org/10.1594/PANGAEA.746988, 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: 41.240000 * Median Longitude: -30.100952 * South-bound Latitude: 35.780000 * West-bound Longitude: -48.420000 * North-bound Latitude: 45.220000 * East-bound Longitude: -10.750000
Event(s):
Le_Triton_17510523_COTE_4/JJ/9 * Latitude Start: 9.170000 * Longitude Start: 92.590000 * Latitude End: 43.400000 * Longitude End: -63.030000 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Le Triton, Start of voyage: 1751-05-23, End of voyage: 1751-06-27, Voyage: Malaga - Louisbourg, 1st Observer: M de La Clué (Capitan)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Date/time startDate/time start
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 Precipitation descriptionPrecip descr
13 State of the sea descriptionState sea descr
14 GustsGusts1 If wind gusts are reported
15 Precipitation/RainRain1 If rain was reported
16 FogFog1 If fog was reported
17 Snow typeSnow1 If snow was reported
18 ThunderThunder1 If thunder and or lightning was reported
19 HailHail1 If hail was reported
20 Sea iceSea ice1 If sea-ice or icebergs were reported
21 IdentificationIDCLIWOC 2.1 line number
Size:
448 data points

Data

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


Date/time start

Latitude

Longitude

dd [deg]

ff [m/s]

-

Comment

Decl [deg]

Wind dir descr
10 
Wind force descr
11 
ww
12 
Precip descr
13 
State sea descr
14 
Gusts
15 
Rain
16 
Fog
17 
Snow
18 
Thunder
19 
Hail
20 
Sea ice
21 
ID
1751-05-23T00:00904.6RECONNAISE CAP ST. VINCENTDU EPETITE VENTBEAU TEMPSTRÉS GROSSE0000000147751
1751-05-24T00:00267DU O 1/4 SO0000000147752
1751-05-25T00:00267DU O 1/4 SO0000000147753
1751-05-26T13:0035.78-10.75-15BEAU TEMPS0000000147754
1751-05-27T13:0036.45-12.75-140000000147755
1751-05-28T13:0037.28-15.22-140000000147756
1751-05-29T13:0038.60-17.77-140000000147757
1751-05-30T13:0039.52-19.43-140000000147758
1751-05-31T13:0040.07-21.15-140000000147759
1751-06-01T14:0040.30-22.6731.6-13TRÉS VIOLENTPAR GRAINSPLUIETRÉS GROSSE0100000147760
1751-06-02T14:0040.02-24.50-13COUVERT0000000147761
1751-06-03T14:0040.32-25.95-130000000147762
1751-06-04T14:0040.18-27.50348-12AU N ET NNE0000000147763
1751-06-05T14:0040.47-28.55564.6-12DU NNE AU ENEPEU DE VENTBEAU TEMPS0000000147764
1751-06-06T14:0040.82-29.33-120000000147765
1751-06-07T14:0041.75-31.20781.0-12DU E ET ESEFAIBLE0000000147766
1751-06-08T00:0042.68180DU S ET SSO0000000147767
1751-06-09T15:0043.22-37.951889.3-15AU SSOBON FRAISBRUMEPLUIE0100000147768
1751-06-10T15:0044.15-40.30-150000000147769
1751-06-11T15:0044.35-41.133234.6-15AU NNOPETITE FRAIS0000000147770
1751-06-12T15:0044.72-42.153459.3-15DU OSO AU NBON FRAISCOUVERTPLUIE0100000147771
1751-06-13T15:0044.27-43.42-150000000147772
1751-06-14T15:0043.78-45.03210-15DU NNE AU SOVARIABLEBELLE0000000147773
1751-06-15T15:0044.77-46.95-150000000147774
1751-06-16T15:0045.22-48.421659.3-15AU S ET SOBON FRAISGROSSE BRUME0010000147775
1751-06-17T00:0045.48270DU O ET O 1/4 SOVARIABLEBEAU TEMPSGROSSE0000000147776
1751-06-18T00:0090DU N AU EVARIABLEBRUMEUX0000000147777
1751-06-19T00:0045.622259.3DU NO AU SOBON FRAIS0000000147778
1751-06-20T00:0045.9031.6TRÉS VIOLENTPLUIEFORT GROSSE0100000147779
1751-06-21T00:002030.0DU SSOCALME ET DUREGROSSE0000000147780
1751-06-22T00:0046.132030.0AU SSOCALME PLATBRUMEAVEC PLUIE0100000147781
1751-06-23T00:0045.87113AU ESEBEAU TEMPSAVEC A GROSSE PLUIE0100000147782
1751-06-24T00:0046.00450.0DU SSO AU NECALMEGROSSE BRUMEAVEC PLUIE0110000147783
1751-06-25T00:0046.101134.6DU E AU ESEPETITE FRAISAVEC BRUME0000000147784
1751-06-26T00:00BRUMEPLUIE0100000147785
1751-06-27T00:001BRUMEUX0000000147786