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García-Herrera, Ricardo; Können, Gunther P; Wheeler, Dennis A; Prieto, Maria del Rosario; Jones, Philip D (2010): Meteorological observations during Albrecht Beijling cruise from Hartlepool to China started at 1850-10-20. Koninklijk Nederlands Meteorologisch Instituut, De Bilt, 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,
Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00090: Climatological Database for the Worlds Oceans: 1750-1854
Median Latitude: -8.652403 * Median Longitude: 50.147287 * South-bound Latitude: -40.970000 * West-bound Longitude: -29.170000 * North-bound Latitude: 52.970000 * East-bound Longitude: 134.680000
Date/Time Start: 1850-10-20T00:00:00 * Date/Time End: 1851-02-28T00:00:00
Albrecht_Beijling_18501020_V_REIS_17_P150-169 * Latitude: 54.750000 * Longitude: -0.810000 * Date/Time Start: 1850-10-20T00:00:00 * Date/Time End: 1851-02-28T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Albrecht Beijling, Voyage: Hartlepool - China, 1st Observer: K. Van de Erve (Kapitein)
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
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
8--1 If position is considered to be coastal (in port or near coastal disturbances)
9CommentCommentOther remarks, that were not possible to put in the other remark fields
10DeclinationDecldegIt 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.
11Wind scale referenceWind scale ref#Name of, or reference to the wind scale that has been used
12Sensor readingReadingarbitrary unitsReading of the (outside) air thermometer
13Sensor readingReadingarbitrary unitsReading of the air pressure
14Wind direction descriptionWind dir descrAll reported wind directions on this day. The wind direction is the direction that points to where the wind comes from.
15Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
16Wind force descriptionWind force descrAll reported wind forces on this day
17Present weatherwwWeather description
18Precipitation descriptionPrecip descr
19State of the sea descriptionState sea descr
20Cloud typeCloud type
22GustsGusts1 If wind gusts are reported
23Precipitation/RainRain1 If rain was reported
24FogFog1 If fog was reported
25Snow typeSnow1 If snow was reported
26ThunderThunder1 If thunder and or lightning was reported
27HailHail1 If hail was reported
28Sea iceSea ice1 If sea-ice or icebergs were reported
29IdentificationIDCLIWOC 2.1 line number
2188 data points

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