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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 L'HEUREUX cruise from Louisbourg to Rochefort started at 1751-09-13 [dataset]. Centre d'Accueil et de Recherche des Archives Nationales, Paris, France, PANGAEA, https://doi.org/10.1594/PANGAEA.746992, 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: 46.104583 * Median Longitude: -32.206667 * South-bound Latitude: 44.900000 * West-bound Longitude: -57.720000 * North-bound Latitude: 47.420000 * East-bound Longitude: -8.000000
Event(s):
LHeureux_17510913_COTE_4/JJ/9 * Latitude Start: 43.400000 * Longitude Start: -63.030000 * Latitude End: 45.920000 * Longitude End: -1.800000 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: L'Heureux, Start of voyage: 1751-09-13, End of voyage: 1751-10-21, Voyage: Louisbourg - Rochefort, 1st Observer: De Caumont (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:
406 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
1751-09-13T16:0045.92-57.721659.31APAREILLÉ DE LOUISBOURG-15DU SBON FRAIS0000000149661
1751-09-14T16:0046.20-55.991659.3-15AU SBON FRAIS0000000149662
1751-09-15T16:0045.77-54.551439.3-15AU SSEBON FRAIS0000000149663
1751-09-16T15:0045.25-52.09300-15AU NO ET ONOBEAU TEMPSBELLE0000000149664
1751-09-17T15:0044.90-48.87210-15DU SO ET SSOBEAU TEMPS0000000149665
1751-09-18T15:0045.27-46.90165-15DU SO AU SVARIABLEBEAU TEMPSBELLE0000000149666
1751-09-19T15:0045.88-45.641204.6-15DU SSE AU SEPETITE FRAISCOUVERTTRÉS GROSSE0000000149667
1751-09-20T15:0046.15-45.25117-15DU SSE 1/4 S AU SE 1/4 ECOUVERTCELLE GROSSE0000000149668
1751-09-21T15:0045.90-43.67531.2-15DU E AU ENETRÉS FAIBLEBRUME TRÉS EPAISSEGROSSE PLUIE0100000149669
1751-09-22T15:0046.50-39.8930015.4-15D ONO AU NOGROS VENTCLAIRTRÉS GROSSE0000000149670
1751-09-23T15:0046.23-37.55300-15AU NO ET NNOBEAU TEMPSUN PEU GROSSE0000000149671
1751-09-24T14:0046.10-34.04188-15AU SSOBEAU TEMPSFORT GROSSE0000000149672
1751-09-25T14:0045.87-31.523009.3-15AU NO ET ONOBON FRAISBEAU TEMPSTRÉS GROSSE0000000149673
1751-09-26T14:0045.98-28.923009.3-15DU NOBON FRAISBEAU TEMPSFORT GROSSE0000000149674
1751-09-27T14:0045.67-25.992789.3-15DU NO AU ONOBON FRAISBEAU TEMPSGROSSE0000000149675
1751-09-28T13:0045.70-22.0534415.4-16DU ONO AU NGROS VENTGRAINSFORT GROSSE1000000149676
1751-09-29T13:0045.90-19.25715.4-16DU N AU NNEGROS VENTSOMBREGROSSE0000000149677
1751-09-30T13:0046.25-16.95344-16AU N ET SOAVEC VIOLLENCEPLUIE0100000149678
1751-10-01T13:0046.28-14.0927715.4-16DU NO AU ONOGROS VENTGRAINSPLUIEEXTREMEMENT GROSSE1100000149679
1751-10-02T13:0046.38-12.57344-16DU NO AU NVARIABLECOUVERT0000000149680
1751-10-03T13:0046.58-11.27343-17DU N ET AU OSOTRÉS PETITEBEAU TEMPSBELLE0000000149681
1751-10-04T13:0047.28-10.27163-17DU SO AU STRÉS PETITEBEAU TEMPS0000000149682
1751-10-05T13:0047.13-9.921631.0-17DU SPRESQUE CALME0000000149683
1751-10-06T13:0047.42-8.0020815.4-17DU NO AU SOGROS VENTBEAU TEMPSAVEC PLUIEBELLE0100000149684
1751-10-07T00:00239.31AU NNEBON FRAIS0000000149685
1751-10-16T00:002259.31APAREILLÉ ET MOUILLÉAU SOBON FRAISPLUIE0100000149686
1751-10-21T00:003154.61APAREILLÉ ET MOUILLÉ Á LAVANT GARDEAU NOPETITE FRAIS0000000149687