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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 La Seine cruise from Rochefort to Louisbourg started at 1751-09-03 [dataset]. Centre d'Accueil et de Recherche des Archives Nationales, Paris, France, PANGAEA, https://doi.org/10.1594/PANGAEA.746963, 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: 45.428571 * Median Longitude: -32.875714 * South-bound Latitude: 43.980000 * West-bound Longitude: -56.000000 * North-bound Latitude: 46.170000 * East-bound Longitude: -1.800000
Event(s):
La_Seine_17510903_COTE_4/JJ/9 * Latitude Start: 45.920000 * Longitude Start: -1.800000 * Latitude End: 43.400000 * Longitude End: -63.030000 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: La Seine, Start of voyage: 1751-09-03, End of voyage: 1751-10-08, Voyage: Rochefort - Louisbourg, 1st Observer: M. Du La Jonquiere (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)
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.
Wind force descriptionWind force descrAll reported wind forces on this day
10 Present weatherwwWeather description
11 Precipitation descriptionPrecip descr
12 State of the sea descriptionState sea descr
13 GustsGusts1 If wind gusts are reported
14 Precipitation/RainRain1 If rain was reported
15 FogFog1 If fog was reported
16 Snow typeSnow1 If snow was reported
17 ThunderThunder1 If thunder and or lightning was reported
18 HailHail1 If hail was reported
19 Sea iceSea ice1 If sea-ice or icebergs were reported
20 IdentificationIDCLIWOC 2.1 line number
Size:
512 data points

Data

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


Date/time start

Latitude

Longitude

dd [deg]

ff [m/s]

-

Decl [deg]

Wind dir descr

Wind force descr
10 
ww
11 
Precip descr
12 
State sea descr
13 
Gusts
14 
Rain
15 
Fog
16 
Snow
17 
Thunder
18 
Hail
19 
Sea ice
20 
ID
1751-09-03T12:0045.92-1.8028-17DU N AU NE ET EVARIABLE0000000142603
1751-09-04T12:0045.93-4.69739.3-17AU E ET E 1/4 NEBON FRAIS0000000142604
1751-09-05T13:0046.03-8.69519.3-17AU ENE ET E ET ESEBON FRAIS0000000142605
1751-09-06T13:0045.98-11.2728-17DU E 1/4 NE AU NE ET AU NFORT PETITESOMBRÉ0000000142606
1751-09-07T13:0045.88-13.443440.0-16AU NCALME0000000142607
1751-09-08T13:0045.93-15.47344-16DU OSO AU O, ONO, NO ET NFORT PETITEPLUIE0100000142608
1751-09-09T13:0045.77-18.49299.3-16AU NE ET EBON FRAIS0000000142609
1751-09-10T13:0046.17-20.259713.1-16DU E AU ESE, SE ET STRÉS FRAIS0000000142610
1751-09-11T13:0046.03-21.47232-16AU OSOVARIABLE0000000142611
1751-09-12T13:0046.03-22.1029-16DU NEVARIABLE ET PRESQUE CALME0000000142612
1751-09-13T13:0045.93-22.24277-16DU SO AU ONOVARIABLE ET PRESQUE CALME0000000142613
1751-09-14T14:0046.08-24.102334.6-15DU SSO AU OSOPETITE FRAIS0000000142614
1751-09-15T14:0045.43-26.242079.3-15AU SO 1/4 SBON FRAIS0000000142615
1751-09-16T14:0045.90-28.40816.3-15AU NNETRÉS FORTE0000000142616
1751-09-17T14:0045.58-29.2218816.3-15AU SSO ET SOTRÉS FORTETRÉS GROSSE0000000142617
1751-09-18T14:0045.23-30.6081.0-15DU N AU NNE ET NEFAIBLEGROSSE0000000142618
1751-09-19T14:0045.32-31.901434.6-15DU E AU SSEPETITE FRAIS0000000142619
1751-09-20T14:0045.12-36.521659.3-15AU S ET SSEBON FRAIS0000000142620
1751-09-21T14:0045.30-36.65255-15DU SSO AU O ET ONO ET NOTRÉS VIOLLENSA 6 HS DU MATIN CALME PLATEXTREMEMENT GROSSE0000000142621
1751-09-22T14:0044.05-36.4427816.3-15AU ONO ET NOTRÉS FORTEEXTREMEMENT GROSSE0000000142622
1751-09-23T15:0044.55-37.553231.2-15AU NNOTRÉS FAIBLE0000000142623
1751-09-24T15:0044.30-38.3721016.3-15DU SSO AU SO ET O ET NOTRÉS FORTETOUJOURS GROSSE0000000142624
1751-09-25T15:0043.98-38.723001.2-15AU NOTRÉS FAIBLE0000000142625
1751-09-26T15:0044.20-39.671430.0-15AU SSE ET SECALME PLAT0000000142626
1751-09-27T15:0044.62-42.20984.6-15AU ESEPETITE FRAIS0000000142627
1751-09-28T15:0044.92-44.341206.7-15DU ESE AU SE ET SOBON PETITE FRAISAVEC BRUME0010000142628
1751-09-29T15:0044.77-48.502786.7-15DU SO AU ONO ET NNOBON PETITE FRAISBRUME0010000142629
1751-09-30T15:0044.88-49.943231.2-15AU NNOTRÉS FAIBLE ET PRESQUE CALME0000000142630
1751-10-01T15:0046.03-51.871889.3-15AU SSOBON FRAIS0000000142631
1751-10-02T15:0045.40-51.8925516.3-15AU O ET O 1/4 SOTRÉS FORTEPETITE GRAINS0000000142632
1751-10-03T15:0045.33-51.8027813.1-15AU ONO ET NO 1/4V NTRÉS FRAISGROSSE0000000142633
1751-10-04T15:0045.97-52.1525515.4-15DU NO AU O ET 1/4 SOGROS VENTPAR GRAINSTRÉS GROSSE0000000142634
1751-10-05T16:0045.77-52.722334.6-15DU O 1/4 SO AU OSOPETITE FRAISSOMBRE0000000142635
1751-10-06T16:0046.00-54.95759.3-15AU EBON FRAIS0000000142636
1751-10-07T16:0045.67-56.002780.0-15AU ONOCALME PLAT0000000142637
1751-10-08T00:002931.01AU ONOPRESQUE CALME0000000142638