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: 17.005455 * Median Longitude: 62.452727 * South-bound Latitude: 15.230000 * West-bound Longitude: 53.930000 * North-bound Latitude: 19.030000 * East-bound Longitude: 69.000000

Event(s):

Doddington_17530905_BL_L/MAR/B/619B * Latitude Start: 12.370000 * Longitude Start: 45.980000 * Latitude End: 18.500000 * Longitude End: 72.820000 * Campaign: * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Doddington, Start of voyage: 1753-09-05, End of voyage: 1753-09-15, Voyage: Mocha - Bombay, 1st Observer: Norton Hutchinson (Captain), Company: EIC

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	Course	Course		Course of the ship during the past 24 hours
7	Distance	Distance	arbitrary units	Distance travelled during the previous 24 hours
8	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.
9	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.
10	Wind force description	Wind force descr		All reported wind forces on this day
11	Precipitation description	Precip descr
12	Clearness	Clearness
13	Gusts	Gusts		1 If wind gusts are reported
14	Precipitation/Rain	Rain		1 If rain was reported
15	Fog	Fog		1 If fog was reported
16	Snow type	Snow		1 If snow was reported
17	Thunder	Thunder		1 If thunder and or lightning was reported
18	Hail	Hail		1 If hail was reported
19	Sea ice	Sea ice		1 If sea-ice or icebergs were reported
20	Identification	ID		CLIWOC 2.1 line number

License:

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

Size:

186 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]	5 ff [m/s]	6 Course	7 Distance [arbitrary units]	8 Decl [deg]	9 Wind dir descr	10 Wind force descr	11 Precip descr	12 Clearness	14 Rain	20 ID
1753-09-05T08:00	15.23	53.93	206	19.0	E3/4N	98.00	-8	SW, SWBS	FRESH GALES		HAZY	0	55974
1753-09-06T08:00	15.43	55.86	217	19.0	E1/4S	112.00	-8	SW	FRESH GALES		HAZY	0	55975
1753-09-07T08:00	15.68	57.68	219	9.3	E	104.00	-6	SW	PLEASANT GALES		CLOUDY	0	55976
1753-09-08T08:00	16.15	59.85	253	19.0	E6N	126.00	-6	WSW, WBS	FRESH GALES		CLOUDY	0	55977
1753-09-09T08:00	16.53	61.98	253	19.0	E6N	124.00	-6	WBS	FRESH GALES	DRIZZLING RAIN	CLOUDY	1	55978
1753-09-10T08:00	16.98	63.38	255	2.6	N74E	82.00	-4	WSW, WBS	LIGHT BREEZES		CLOUDY	0	55979
1753-09-11T08:00	17.37	64.68	255	2.6	N75E	76.00	-4	WBS	LIGHT BREEZES		CLOUDY	0	55980
1753-09-12T08:00	17.67	65.70	356	2.6	N68E	60.00	-4	W, NWBW, N	LIGHT BREEZES		FAIR	0	55981
1753-09-13T08:00	18.17	66.96	311	6.7	N54E	79.00	-4	NWBW, NW, NNW, NW	PLEASANT BREEZES		CLOUDY	0	55982
1753-09-14T07:00	18.82	67.96	312	2.6	N54E	71.00	-3	NW, NWBN, NWBW, NW	LIGHT BREEZES		FAIR	0	55983
1753-09-15T07:00	19.03	69.00	278	2.6			-3	NWBN, NW, WNW, WBN	LIGHT BREEZES		FAIR	0	55984