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: 33.221429 * Median Longitude: -10.260000 * South-bound Latitude: 29.800000 * West-bound Longitude: -14.020000 * North-bound Latitude: 35.670000 * East-bound Longitude: -7.380000

Event(s):

Sphinx_17501209_NMM_ADM/L/S382 * Latitude Start: 36.070000 * Longitude Start: -6.730000 * Latitude End: 29.280000 * Longitude End: -17.560000 * Campaign: * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Sphinx, Start of voyage: 1750-12-20, End of voyage: 1750-12-29, Voyage: Cadiz - Tennerife, 1st Observer: William Lloyd (15Th Onward) (Captain), 2nd Observer: Charles David (1st Officer/Master), Company: Royal Navy, Other ship information: 24G, 1745 ESTABLISHMENT, 508BM

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	-	-		1 If position is considered to be coastal (in port or near coastal disturbances)
10	Course	Course		Course of the ship during the past 24 hours
11	Distance	Distance	arbitrary units	Distance travelled during the previous 24 hours
12	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.
13	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.
14	Wind force description	Wind force descr		All reported wind forces on this day
15	Precipitation description	Precip descr
16	Clearness	Clearness
17	Gusts	Gusts		1 If wind gusts are reported
18	Precipitation/Rain	Rain		1 If rain was reported
19	Fog	Fog		1 If fog was reported
20	Snow type	Snow		1 If snow was reported
21	Thunder	Thunder		1 If thunder and or lightning was reported
22	Hail	Hail		1 If hail was reported
23	Sea ice	Sea ice		1 If sea-ice or icebergs were reported
24	Identification	ID		CLIWOC 2.1 line number

License:

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

Size:

192 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Date/time start	2 Latitude	3 Longitude	4 dd [deg] (Wind direction (from which th...)	5 ff [m/s] (calculated from the descripti...)	6 Landmark (Name of first landmark)	7 Bearing (Bearing of the first landmark)	8 Distance [arbitrary units] (Distance to the first landmark)	9 - (1 If position is considered t...)	10 Course (Course of the ship during the...)	11 Distance [arbitrary units] (Distance travelled during the...)	12 Decl [deg] (It is generally accepted by t...)	13 Wind dir descr (All reported wind directions ...)	14 Wind force descr (All reported wind forces on t...)	15 Precip descr	16 Clearness	18 Rain (1 If rain was reported)	24 ID (CLIWOC 2.1 line number)
1750-12-20T12:00	35.67	-7.38	361	1.0	CADIZ	N54:00E	21		S54:00W	63.00	-16	SEBS, S, CALM	FIRST MODERATE, MID FRESH GALES, LATTER SMALL AIRS		FIRST AND MID HAZY, LATTER FAIR	0	238883
1750-12-21T13:00	34.90	-8.33	120	6.7	CADIZ	N50:23E	42		SW	66.00	-15	SE	MODERATE		FAIR	0	238884
1750-12-22T13:00	34.03	-9.27	131	1.0	CADIZ	NE1/2E	66		S42:00W	70.00	-15	S, SEBS	LIGHT AIRS		FAIR	0	238885
1750-12-23T13:00	33.72	-10.30	362	6.7	CADIZ	N51:00E	81		WSW1/4W	55.00	-15	VARIABLE	MODERATE		FIRST AND MID PART FAIR, LATTER PART CLOUDY	0	238886
1750-12-24T13:00	32.93	-10.62	362	6.7	CADIZ	N46:00E	97		S18:00W	50.00	-15	VARIABLE	MODERATE WITH SQUALLS	RAIN	CLOUDY	1	238887
1750-12-25T13:00	31.50	-11.90	31	6.7	CADIZ	N46:53E	132		SWBS1/2W	112.00	-14	NWBN, N, NE	MODERATE, WITH MID PART SQUALLY,	SOME RAIN	CLOUDY	1	238888
1750-12-26T13:00	29.80	-14.02	21	6.7	CADIZ	N43:45E	185		SW	144.00	-13	NEBN	MODERATE		CLOUDY	0	238889
1750-12-27T00:00			68	6.7	POINT NAGO	WBS	5	1				NE-ENE	MODERATE		CLOUDY	0	238890
1750-12-28T00:00			101	6.7	POINT ROCKET			1				EBS	MODERATE		CLOUDY	0	238891
1750-12-29T00:00			338	6.7				1	MOORED			EBS-NNW	MODERATE		CLOUDY	0	238892