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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 Prins Willem V cruise from Suriname to the Netherlands started at 1753-02-03. Rijksarchief Zeeland, Middelburg, Netherland, PANGAEA,, 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). PANGAEA,

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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,
Median Latitude: 32.278841 * Median Longitude: -41.874638 * South-bound Latitude: 7.030000 * West-bound Longitude: -62.650000 * North-bound Latitude: 49.420000 * East-bound Longitude: -5.170000
Prins_Willem_V_17530203_MCC_20_968 * Latitude Start: 6.180000 * Longitude Start: -55.410000 * Latitude End: 53.000000 * Longitude End: 4.490000 * Campaign: Cliwoc_cruise * Device: Underway cruise track measurements (CT) * Comment: Ship: Prins Willem V, Start of voyage: 1753-02-03, End of voyage: 1753-04-19, Voyage: Suriname - Nederland, Company: MCC
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Date/time startDate/time start
4Wind 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.
5Wind speedffm/scalculated from the descriptive terms of wind force given in the observations
6Image numberImageIdentification Number of the original image
7LandmarkLandmarkName of first landmark
8BearingBearingBearing of the first landmark
9Distance to landmarkDistancearbitrary unitsDistance to the first landmark
10LandmarkLandmarkName of second landmark
11BearingBearingBearing of the second landmark
12Distance to landmarkDistancearbitrary unitsDistance to the second landmark
13LandmarkLandmarkName of third landmark
14BearingBearingBearing of the third landmark
15Distance to landmarkDistancearbitrary unitsDistance to the third landmark
16WatchWatchName of the period of 4 hours which is known as a watch or duty on board ships
17GlassesGlassesNumber of glasses within a watch; one watch equals 8 glasses
18CourseCourseCourse of the ship during the past 24 hours
19DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
20CommentCommentOther remarks, that were not possible to put in the other remark fields
21DeclinationDecldegIt 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.
22Wind direction descriptionWind dir descrAll reported wind directions on this day. The wind direction is the direction that points to where the wind comes from.
23Wind force descriptionWind force descrAll reported wind forces on this day
24Present weatherwwWeather description
25Precipitation descriptionPrecip descr
26State of the sea descriptionState sea descr
27Cloud typeCloud type
29GustsGusts1 If wind gusts are reported
30Precipitation/RainRain1 If rain was reported
31FogFog1 If fog was reported
32Snow typeSnow1 If snow was reported
33ThunderThunder1 If thunder and or lightning was reported
34HailHail1 If hail was reported
35Sea iceSea ice1 If sea-ice or icebergs were reported
36IdentificationIDCLIWOC 2.1 line number
1367 data points

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