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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 Admiraal Evertsen cruise from Coastal East India to Coastal East India started at 1816-11-04. Nederlands Scheepvaartmuseum Amsterdam, 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,
Latitude: -7.230000 * Longitude: 112.700000
Date/Time Start: 1816-11-04T04:00:00 * Date/Time End: 1817-02-11T00:00:00
Admiraal_Evertsen_18161104_A2419-1_1-300 * Latitude Start: -3.680000 * Longitude Start: 128.160000 * Latitude End: -3.680000 * Longitude End: 128.160000 * Date/Time Start: 1816-11-04T00:00:00 * Date/Time End: 1817-02-11T00:00:00 * Campaign: Cliwoc_cruise * Device: Underway cruise track measurements (CT) * Comment: Ship: Admiraal Evertsen, Voyage: Coastal East India - Coastal East India, 1st Observer: W.L. Veerman (Luitenant 2E Kl.), 2nd Observer: Buijskes (Schout Bij Nacht), 3rd Observer: J.M. Van Maren (Kapitein), Company: ADM
#NameShort NameUnitPrincipal InvestigatorMethodComment
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
6Temperature, airTTT°C
7--1 If position is considered to be coastal (in port or near coastal disturbances)
8CommentCommentLife on board
9CommentCommentOther remarks, that were not possible to put in the other remark fields
10Comment 2 (continued)Comm 2Other remarks
11DeclinationDecldegIt 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.
12Sensor readingReadingarbitrary unitsReading of the (outside) air thermometer
13Wind direction descriptionWind dir descrAll reported wind directions on this day. The wind direction is the direction that points to where the wind comes from.
14Wind force descriptionWind force descrAll reported wind forces on this day
15Present weatherwwWeather description
16Precipitation descriptionPrecip descr
17Cloud typeCloud type
18GustsGusts1 If wind gusts are reported
19Precipitation/RainRain1 If rain was reported
20FogFog1 If fog was reported
21Snow typeSnow1 If snow was reported
22ThunderThunder1 If thunder and or lightning was reported
23HailHail1 If hail was reported
24Sea iceSea ice1 If sea-ice or icebergs were reported
25IdentificationIDCLIWOC 2.1 line number
1641 data points

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