Citation:

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

Project(s):

Climatological Database for the Worlds Oceans: 1750-1854 (CLIWOC)

Funding:

Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00090 : Climatological Database for the Worlds Oceans: 1750-1854

Coverage:

Median Latitude: 19.700549 * Median Longitude: -13.529890 * South-bound Latitude: 4.280000 * West-bound Longitude: -23.000000 * North-bound Latitude: 49.720000 * East-bound Longitude: -2.520000

Event(s):

Surprise_17500824_NMM_ADM/L/S217 * Latitude Start: 50.750000 * Longitude Start: -0.980000 * Latitude End: 4.590000 * Longitude End: -1.850000 * Campaign: * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Surprise, Start of voyage: 1750-09-04, End of voyage: 1751-01-02, Voyage: Portsmouth - Dixcove, 1st Observer: Peter Thomas Crooke (2nd Officer/Lieutenant), Company: Royal Navy, Other ship information: 24G 498BM ESTABLISHMENT 1741

Parameter(s):

#	Name	Short Name	Unit	Comment
1	Date/time start	Date/time start
2	LATITUDE	Latitude		Geocode
3	LONGITUDE	Longitude		Geocode
4	Wind direction	dd	deg	Wind 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.
5	Wind speed	ff	m/s	calculated from the descriptive terms of wind force given in the observations
6	Landmark	Landmark		Name of first landmark
7	Bearing	Bearing		Bearing of the first landmark
8	Distance to landmark	Distance	arbitrary units	Distance to the first landmark
9	Landmark	Landmark		Name of second landmark
10	Bearing	Bearing		Bearing of the second landmark
11	Distance to landmark	Distance	arbitrary units	Distance to the second landmark
12	-	-		1 If position is considered to be coastal (in port or near coastal disturbances)
13	Course	Course		Course of the ship during the past 24 hours
14	Distance	Distance	arbitrary units	Distance travelled during the previous 24 hours
15	Comment	Comment		Any remark, found in the logbook on this particular day, about the ship, sails, rigging, etc.
16	Comment	Comment		Other remarks, that were not possible to put in the other remark fields
17	Declination	Decl	deg	It 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.
18	Wind direction description	Wind dir descr		All reported wind directions on this day. The wind direction is the direction that points to where the wind comes from.
19	Current direction description	Cur dir descr		Direction of the current. This direction points to where the current is flowing towards to.
20	Current speed description	V descr
21	Wind force description	Wind force descr		All reported wind forces on this day
22	Present weather	ww		Weather description
23	Precipitation description	Precip descr
24	State of the sea description	State sea descr
25	Clearness	Clearness
26	Gusts	Gusts		1 If wind gusts are reported
27	Precipitation/Rain	Rain		1 If rain was reported
28	Fog	Fog		1 If fog was reported
29	Snow type	Snow		1 If snow was reported
30	Thunder	Thunder		1 If thunder and or lightning was reported
31	Hail	Hail		1 If hail was reported
32	Sea ice	Sea ice		1 If sea-ice or icebergs were reported
33	Comment	Comment
34	Identification	ID		CLIWOC 2.1 line number

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

1903 data points

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