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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 CURACAO cruise from Curacao to Hellevoetsluis started at 1842-05-18. Nationaal Archief of the Netherlands, Den Haag, Netherland, PANGAEA, https://doi.org/10.1594/PANGAEA.748018, 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, 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
Coverage:
Median Latitude: 35.803077 * Median Longitude: -42.124872 * South-bound Latitude: 14.100000 * West-bound Longitude: -68.130000 * North-bound Latitude: 51.810000 * East-bound Longitude: 4.080000
Date/Time Start: 1842-05-18T17:00:00 * Date/Time End: 1842-06-27T12:00:00
Event(s):
Curacao_18420518_MAR_D23905_954 * Latitude Start: 12.370000 * Longitude Start: -68.570000 * Latitude End: 51.940000 * Longitude End: 3.720000 * Date/Time Start: 1842-05-18T00:00:00 * Date/Time End: 1842-06-27T00:00:00 * Campaign: Cliwoc_cruise * Device: Underway cruise track measurements (CT) * Comment: Ship: Curacao (Steampowered Wa), Voyage: Curacao - Hellevoetsluis, 1st Observer: A.A. Bolken (Ltz 1E Klasse), Company: MAR, Other ship information: BUILt AS ''CALPE'' IN 1826 IN DOVER, UK. SCRAPPED IN 1850. LENGTH 130FT 6IN, BEAM 26FT 9IN, DEPTH 13FT 6IN, DISPLACEMENT 438T. THREE MASTS, BARQUE RIG. SIDE LEVER PROPULSION OF 2X50HP. 1 STUK VAN 48 POND, 2 METALEN STUKKEN VAN 6 POND, 4 CARONNADES VAN 24 POND, 3 DRAAIJBASSEN VAN 1 POND. 72 KOPPEN
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1DATE/TIMEDate/TimeGeocode
2LATITUDELatitudeGeocode
3LONGITUDELongitudeGeocode
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
6Pressure, atmosphericPPPPhPaNo temperature correction was applied. The following factors have been used for the conversion to hPa: 2.54 cm in an inch; 13.596 specific gravity of mercury; 980.65 cm/s gravity at 45° latitude
7Temperature, airTTT°C
8Image numberImageIdentification Number of the original image
9LandmarkLandmarkName of first landmark
10BearingBearingBearing of the first landmark
11Distance to landmarkDistancearbitrary unitsDistance to the first landmark
12--1 If position is considered to be coastal (in port or near coastal disturbances)
13CourseCourseCourse of the ship during the past 24 hours
14DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
15CommentCommentOther remarks, that were not possible to put in the other remark fields
16DeclinationDecldegIt 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.
17Sensor readingReadingarbitrary unitsReading of the (outside) air thermometer
18Sensor readingReadingarbitrary unitsReading of the air pressure
19Wind direction descriptionWind dir descrAll reported wind directions on this day. The wind direction is the direction that points to where the wind comes from.
20Wind force descriptionWind force descrAll reported wind forces on this day
21Present weatherwwWeather description
22Precipitation descriptionPrecip descr
23State of the sea descriptionState sea descr
24Cloud typeCloud type
25ClearnessClearness
26GustsGusts1 If wind gusts are reported
27Precipitation/RainRain1 If rain was reported
28FogFog1 If fog was reported
29Snow typeSnow1 If snow was reported
30ThunderThunder1 If thunder and or lightning was reported
31HailHail1 If hail was reported
32Sea iceSea ice1 If sea-ice or icebergs were reported
33IdentificationIDCLIWOC 2.1 line number
Size:
807 data points

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