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: 44.446250 * Median Longitude: -10.482500 * South-bound Latitude: 36.750000 * West-bound Longitude: -14.510000 * North-bound Latitude: 49.220000 * East-bound Longitude: -6.010000

Event(s):

Shoreham_17530524_NMM_ADM/L/S277 * Latitude Start: 50.680000 * Longitude Start: -0.960000 * Latitude End: 32.130000 * Longitude End: -16.570000 * Campaign: * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Shoreham (6th Rate Frigate), Start of voyage: 1753-05-24, End of voyage: 1753-05-31, Voyage: Spithead - Madeira, 1st Observer: Julian Legge (Captain), 2nd Observer: Charles Ellis (1st Officer/Master), Company: Royal Navy, Other ship information: 24G. 498BM

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	Course	Course		Course of the ship during the past 24 hours
13	Distance	Distance	arbitrary units	Distance travelled during the previous 24 hours
14	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.
15	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.
16	Wind force description	Wind force descr		All reported wind forces on this day
17	Present weather	ww		Weather description
18	Clearness	Clearness
19	Gusts	Gusts		1 If wind gusts are reported
20	Precipitation/Rain	Rain		1 If rain was reported
21	Fog	Fog		1 If fog was reported
22	Snow type	Snow		1 If snow was reported
23	Thunder	Thunder		1 If thunder and or lightning was reported
24	Hail	Hail		1 If hail was reported
25	Sea ice	Sea ice		1 If sea-ice or icebergs were reported
26	Identification	ID		CLIWOC 2.1 line number

License:

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

Size:

154 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 Landmark (Name of second landmark)	10 Bearing (Bearing of the second landmark)	11 Distance [arbitrary units] (Distance to the second landmark)	12 Course (Course of the ship during the...)	13 Distance [arbitrary units] (Distance travelled during the...)	14 Decl [deg] (It is generally accepted by t...)	15 Wind dir descr (All reported wind directions ...)	16 Wind force descr (All reported wind forces on t...)	17 ww (Weather description)	18 Clearness	26 ID (CLIWOC 2.1 line number)
1753-05-24T12:00	49.22	-6.01	117	6.7	START POINT	N53E	40				S53W	120.00	-18	E, EBS, ESE, SE	MODERATE		FAIR	236167
1753-05-25T13:00	48.57	-7.56	207		START POINT	N58E	60				SW1/2W	72.00	-18	SE, SSE, ESE, SW		VARIABLE WEATHER		236168
1753-05-26T13:00	48.00	-8.15	320		START POINT	N54E	73				SWBS	42.00	-18	WBS, WNW, NWBW, NNW		VARIABLE WEATHER		236169
1753-05-27T13:00	47.43	-9.00	6	6.7	START POINT	N54E	90				SW	53.00	-17	E, NE, ENE, NNE	MODERATE		HAZY	236170
1753-05-28T13:00	45.00	-11.96	6		START POINT	N47E	150				SW1/2S	196.00	-17	NE, NNE		VARIABLE WEATHER		236171
1753-05-29T13:00	41.75	-12.96	30	19.0	START POINT	N37E	213				S16W	218.00	-15	NE	FRESH GALES		CLOUDY	236172
1753-05-30T13:00	38.85	-13.71	30		START POINT	N31E	266				SBW	180.00	-15	NEBN, NBE, NE		VARIABLE WEATHER		236173
1753-05-31T13:00	36.75	-14.51	301		START POINT	N29E	300	MADEIRA	S34W	100	S17W	137.00	-14	NE, NNE, NBW, NW	FIRST PART MODERATE		FIRST PART FAIR, MIDDLE AND LATTER CLOUDY	236174