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: 10.717500 * Median Longitude: 90.560000 * South-bound Latitude: 6.900000 * West-bound Longitude: 82.600000 * North-bound Latitude: 13.820000 * East-bound Longitude: 98.370000

Date/Time Start: 1802-02-22T05:00:00 * Date/Time End: 1802-03-09T06:00:00

Event(s):

Leopard_18020222_NMM_ADM/L/L100 * Latitude Start: 6.900000 * Longitude Start: 98.370000 * Latitude End: 12.100000 * Longitude End: 80.500000 * Date/Time Start: 1802-02-22T00:00:00 * Date/Time End: 1802-03-09T00:00:00 * Campaign: * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Leopard (4th Rate Frigate), Voyage: Prince Of Wales Island - Madras, 1st Observer: Thomas Surridge (Captain), Company: Royal Navy, Other ship information: 50G

Parameter(s):

#	Name	Short Name	Unit	Comment
1	DATE/TIME	Date/Time		Geocode
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	Course	Course		Course of the ship during the past 24 hours
10	Distance	Distance	arbitrary units	Distance travelled during the previous 24 hours
11	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.
12	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.
13	Wind force description	Wind force descr		All reported wind forces on this day
14	Present weather	ww		Weather description
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:

302 data points

Data

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

1 Date/Time	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 Course (Course of the ship during the...)	10 Distance [arbitrary units] (Distance travelled during the...)	11 Decl [deg] (It is generally accepted by t...)	12 Wind dir descr (All reported wind directions ...)	13 Wind force descr (All reported wind forces on t...)	14 ww (Weather description)	15 Precip descr	16 Clearness	18 Rain (1 If rain was reported)	24 ID (CLIWOC 2.1 line number)
1802-02-22T05:00	6.90	98.37	47	1.0	CORNICOBAR	N67W	113	N62W	16.00	2	VARIABLE, NE	LIGHT AIRS AND CALMS				0	148504
1802-02-23T05:00	7.20	97.77	283	0.0	CORNICOBAR	N67W	102	N63W	40.00	2	NE, WBN	CALM			HAZY	0	148505
1802-02-24T06:00	7.62	97.08	47	2.6	CORNICOBAR	N68W	84	N57W	48.00	2	VARIABLE, NEBE, NE	LIGHT BREEZES			HAZY	0	148506
1802-02-25T06:00	8.18	96.28	160	2.6	CORNICOBAR	N71W	65	N55W	59.00	2	NE, SSE	LIGHT BREEZES		DRIZZLING RAIN	HAZY	1	148507
1802-02-26T06:00	8.50	95.73	362	2.6	CORNICOBAR	N74W	53	N58W	38.00	2	ENE, VARIABLE	LIGHT BREEZES AND VARIABLE		CONSTANT RAIN		1	148508
1802-02-27T06:00	8.92	95.07	47	2.6	CORNICOBAR	N81W	40	N58W	47.00	2	NNE, NE	LIGHT BREEZES			CLOUDY	0	148509
1802-02-28T06:00	9.97	93.55	25	6.7	CORNICOBAR	N62W	21	N55W	109.00	2	NNE	MODERATE BREEZES			CLOUDY	0	148510
1802-03-01T06:00	10.50	91.58	36	6.7	MADRAS	N76W	212	N75W	122.00	2	NBE, NEBN	MODERATE BREEZES	FINE			0	148511
1802-03-02T06:00	11.58	89.33	25	9.3	MADRAS	N78:30W	154	N64W	147.00	2	NNE	FRESH BREEZES			CLOUDY	0	148512
1802-03-03T06:00	12.48	87.70	25	6.7	MADRAS	N84W	115	N61W	110.00	2	NE, NNE	MODERATE BREEZES				0	148513
1802-03-04T06:00	12.73	86.50	362	2.6	MADRAS	N84W	89	N78W	74.00	2	VARIABLE	LIGHT BREEZES			CLEAR	0	148514
1802-03-05T06:00	12.55	85.73	70	2.6	MADRAS	N78W	63	S77W	47.00	2	NEBE, NNE, ENE	LIGHT WINDS			HAZY	0	148515
1802-03-06T06:00	13.45	84.85	36	2.6	MADRAS	S83W	41	N44W	75.00	2	ESE, NE, NEBN	LIGHT BREEZES				0	148516
1802-03-07T06:00	13.82	83.72	58	2.6	MADRAS	S57W	27	N72W	72.00	2	VARIABLE, NE, NEBE	LIGHT BREEZES			CLEAR	0	148517
1802-03-08T06:00	13.58	83.10	47	2.6	MADRAS	S60W	20	S64W	41.00	2	ESE, NEBE, NE	LIGHT BREEZES			HAZY	0	148518
1802-03-09T06:00	13.50	82.60	92	2.6	MADRAS	S55W	15	S81W	32.00	2	EBN, ENE, E	LIGHT BREEZES			CLOUDY	0	148519