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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 Leopard cruise from Martinique to Brest started at 1752-06-24 [dataset]. Centre d'Accueil et de Recherche des Archives Nationales, Paris, France, PANGAEA, https://doi.org/10.1594/PANGAEA.746980, 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: 37.542903 * Median Longitude: -39.922581 * South-bound Latitude: 18.370000 * West-bound Longitude: -60.980000 * North-bound Latitude: 48.580000 * East-bound Longitude: -5.000000
Event(s):
Le_Leopard_17520624_COTE_4/JJ/22 * Latitude Start: 14.690000 * Longitude Start: -60.570000 * Latitude End: 48.220000 * Longitude End: -4.760000 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Le Leopard, Start of voyage: 1752-06-24, End of voyage: 1752-07-24, Voyage: Martinique - Brest, 1st Observer: M. de Rosily (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
LandmarkLandmarkName of first landmark
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:
501 data points

Data

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


Date/time start

Latitude

Longitude

dd [deg]

ff [m/s]

Landmark

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
1752-06-24T16:0018.37-60.98936.73AU E ET ENEBON PETITE FRAISBEAU TEMPSBELLE0000000146478
1752-06-25T16:0020.42-60.82716.73DU E AU ENEBON PETITE FRAISBEAU TEMPSPEU AGITEÉ0000000146479
1752-06-26T16:0022.42-59.821614.63DU E AU SSEPETITE FRAISBEAU TEMPSBELLE0000000146480
1752-06-27T16:0024.63-58.202049.31DU SSE AU SSOBON FRAIS0000000146481
1752-06-28T16:0026.45-56.781136.7LA VERMUDE AU NO 1/4 O0DU SSO AU ESEBON PETITE FRAISCOUVERTPEU AGITEÉ0000000146482
1752-06-29T16:0027.57-55.931554.6-3DU ESE AU SSEPETITE FRAISBEAU TEMPSPEU AGITEÉ0000000146483
1752-06-30T16:0028.00-55.621550.0-3AU SSE ET SECALMEBEAU TEMPSPEU AGITEÉ0000000146484
1752-07-01T16:0028.57-55.052670.0-3AU O ET ONOCALMEBEAU TEMPSPLUIEBELLE0100000146485
1752-07-02T16:0029.40-54.481554.6-3DU ONO AU SSEPETITE VENTPEU AGITEÉ0000000146486
1752-07-03T16:0031.00-53.42879.3-3DU SE AU EBON FRAISBEAU TEMPSPLUIEPEU AGITEÉ0100000146487
1752-07-04T15:0032.77-52.181259.3-7DU E AU SE 1/4 EBON FRAISCOUVERTPEU AGITEÉ0000000146488
1752-07-05T15:0034.57-50.621289.3-7DU ESE AU SEBON FRAISBEAU TEMPSPEU AGITEÉ0000000146489
1752-07-06T15:0035.98-49.85614.6LA VIGIE DU SO DU GRAND BANE MERESTE AU N-7DU SE AU ENEPETITE FRAISBEAU TEMPSPEU AGITEÉ0000000146490
1752-07-07T15:0037.10-49.73614.6-7DU ESE AU ENEPETITE VENTBEAU TEMPSBELLE0000000146491
1752-07-08T15:0037.92-49.731020.0-11DU NE AU ESECALMEBEAU TEMPSPEU AGITEÉ0000000146492
1752-07-09T15:0038.57-49.102140.0-11DU E AU SOCALMECHAUDPLUIEBELLE0100000146493
1752-07-10T15:0039.60-47.352144.6-11DU S AU SOPETITE FRAISBEAU TEMPSPEU AGITEÉ0000000146494
1752-07-11T15:0040.95-44.582149.3-11AU SO ET SSOBON FRAISBEAU TEMPSPEU AGITEÉ0000000146495
1752-07-12T15:0042.42-40.802379.3-11DU SSO AU OSOBON FRAISBEAU TEMPSGROSSE0000000146496
1752-07-13T15:0043.42-37.652109.3-15DU OSO AU SOBON FRAISBEAU TEMPSPEU AGITEÉ0000000146497
1752-07-14T14:0044.95-33.362109.3LISLE VERTE MERESTE AU E-15AU SO ET OSOBON FRAISEMBRUMÉGROSSE0000000146498
1752-07-15T14:0045.97-30.202109.3-15DU OSO AU SOBON FRAISBRUME ESPESSEGROSSE0000000146499
1752-07-16T14:0046.82-27.202109.3-15AU SO ET SSOBON FRAISBRUME ESPESSEPEU AGITEÉ0000000146500
1752-07-17T14:0047.75-23.982526.7-18AU O ET ONOBON PETITE FRAISBRUME ESPESSEPLUIEPEU AGITEÉ0100000146501
1752-07-18T13:0048.33-21.222306.7-18DU NO AU OSOBON PETITE FRAISCOUVERTBELLE0000000146502
1752-07-19T13:0048.17-17.162529.3-18DU SSO AU OBON FRAISBRUME ESPESSEBELLE0000000146503
1752-07-20T13:0048.10-13.892526.7-18AU O ET ONOBON PETITE FRAISCOUVERTPEU AGITEÉ0000000146504
1752-07-21T13:0048.30-10.332529.3-18AU O ET OSOBON FRAISBEAU TEMPSPEU AGITEÉ0000000146505
1752-07-22T12:0048.28-6.852986.7-17DU O AU NOBON PETITE FRAISBEAU TEMPSPEU AGITEÉ0000000146506
1752-07-23T12:0048.45-5.722984.6LE CAP ERARD AU NE-17AU NO ET ONOPETITE FRAISCOUVERTGROSSE0000000146507
1752-07-24T12:0048.58-5.001184.6-17DU SSE AU SEPETITE FRAISCOUVERTPEU AGITEÉ0000000146508