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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 Queen Charlotte cruise from Sandwich Islands to Coal Harbour started at 1786-06-14. Nederlands Instituut voor Wetenschappelijke Inform, 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,
Median Latitude: 42.166389 * Median Longitude: -153.679444 * South-bound Latitude: 23.170000 * West-bound Longitude: -161.370000 * North-bound Latitude: 59.530000 * East-bound Longitude: -147.030000
Date/Time Start: 1786-06-14T23:00:00 * Date/Time End: 1786-07-19T22:00:00
Queen_Charlotte_17860614_NIWI-F-1576 * Latitude Start: 21.480000 * Longitude Start: -159.000000 * Latitude End: 59.530000 * Longitude End: -151.830000 * Date/Time Start: 1786-06-14T00:00:00 * Date/Time End: 1786-07-19T00:00:00 * Campaign: Cliwoc_cruise * Device: Underway cruise track measurements (CT) * Comment: Ship: Queen Charlotte, Voyage: Sandwich Islands - Coal Harbour, 1st Observer: G. Dixon (Captain), Other ship information: BETREFT EEN GEDRUKTE REIS IN: G. DIXON, A VOYAGE AROUND THE WORLD, BUT MORE PARTICULARLY TO THE NORTH-WEST COAST OF AMERICA, PERFORMED IN 1785, 1786, 1787 AND 1788 IN THE KING GEORGE AND QUEEN CHARLOTTE. CAPTAINS PORTLOCK AND DIXON. LONDON, 1789
#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
7LandmarkLandmarkName of first landmark
8BearingBearingBearing of the first landmark
9Distance to landmarkDistancearbitrary unitsDistance to the first landmark
10--1 If position is considered to be coastal (in port or near coastal disturbances)
11WatchWatchName of the period of 4 hours which is known as a watch or duty on board ships
12GlassesGlassesNumber of glasses within a watch; one watch equals 8 glasses
13CommentCommentAny remark, found in the logbook on this particular day, about any biological item
14CommentCommentOther remarks, that were not possible to put in the other remark fields
15DeclinationDecldegIt 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.
16Sensor readingReadingarbitrary unitsReading of the (outside) air thermometer
17Wind direction descriptionWind dir descrAll reported wind directions on this day. The wind direction is the direction that points to where the wind comes from.
18Wind force descriptionWind force descrAll reported wind forces on this day
19Present weatherwwWeather description
20Precipitation descriptionPrecip descr
21State of the sea descriptionState sea descr
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
660 data points

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