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: 15.041429 * Median Longitude: 58.204286 * South-bound Latitude: 12.500000 * West-bound Longitude: 46.820000 * North-bound Latitude: 18.170000 * East-bound Longitude: 69.150000

Date/Time Start: 1802-09-07T09:00:00 * Date/Time End: 1802-09-21T00:00:00

Event(s):

Romney_18020907_NMM_ADM/L/R205 * Latitude Start: 12.570000 * Longitude Start: 45.090000 * Latitude End: 18.500000 * Longitude End: 72.820000 * Date/Time Start: 1802-09-07T00:00:00 * Date/Time End: 1802-09-21T00:00:00 * Campaign: * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Romney (4th Rate Frigate), Voyage: Aden - Bombay, 1st Observer: Henry Davis (Captain), Company: Royal Navy, Other ship information: 50G 1028BM

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	-	-		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	Present weather	ww		Weather description
16	Precipitation description	Precip descr
17	State of the sea description	State sea descr
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:

296 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 - (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 ww (Weather description)	16 Precip descr	17 State sea descr	18 Clearness	19 Gusts (1 If wind gusts are reported)	20 Rain (1 If rain was reported)	26 ID (CLIWOC 2.1 line number)
1802-09-07T09:00	12.72	46.82	272	6.7	W END OF SCOTIA	S87E	146		S88E	87.00	-9	NW, VARIABLE, SBW, NNE, VARIABLE, WBN	MODERATE BREEZES, MODERATE, LIGHT AIRS, LIGHT BREEZES, MODERATE BREEZES	FINE PLEASANT WEATHER			CLEAR	0	0	213148
1802-09-08T09:00	12.50	48.40	262	6.7	W END OF SCOTIA	S68E	115		S82E	94.00	-8	SW, S, W	FRESH BREEZES, MODERATE, LIGHT AIRS, MODERATE, MODERATE BREEZES	FINE			CLEAR, HAZY	0	0	213149
1802-09-09T09:00	12.77	49.82	218	1.0	W END OF SCOTIA	S83E	88		N73E	85.00	-7	WNW, WBS, SWBS, SW, SW	MODERATE, LIGHT BREEZES, LIGHT AIRS	SULTRY			CLEAR, HAZY	0	0	213150
1802-09-10T09:00	13.32	50.42	38	6.7	W END OF SCOTIA	S75E	81		N58E	41.00	-7	N, NBE, VARIABLE, NE	CALM, LIGHT BREEZES, LIGHT AIRS INCLINABLE TO CALMS, CALM, LIGHT BREEZES, MODERATE	HOT SULTRY WEATHER		HEAVY SWELL FROM SE	CLEAR, HAZY	0	0	213151
1802-09-11T09:00	13.60	51.52	151	6.7	W END OF SCOTIA	S64E	62		N79E	66.00	-7	VARIABLE TO E, SBE, SSE	LIGHT BREEZES, LIGHT AIRS, LIGHT BREEZES, MODERATE, MODERATE BREEZES			HEAVY SWELL FROM SSE	HAZY	0	0	213152
1802-09-12T08:00	14.60	54.28	219	9.3	BOMBAY	N75:39E	364		N78E	165.00	-6	SBE, S, SSW, SW	MODERATE BREEZES, FRESH BREEZES, STRONG BREEZES, FRESH BREEZES			SWELL FROM SW	HAZY	0	0	213153
1802-09-13T08:00	14.53	57.05	197	6.7	BOMBAY	N73:36E	313		S88E	161.00	-6	VARIABLE, S, SSW	LIGHT AIRS, MODERATE BREEZES, FRESH BREEZES, MODERATE			SWELL FROM S	HAZY, CLOUDY	0	0	213154
1802-09-14T08:00	14.90	59.97	221	6.7	BOMBAY	N71:38E	257		N85E	170.00	-4	SW, SSW, SW	STRONG BREEZES, MODERATE, DARK CLOUDY WEATHER, MODERATE				CLOUDY	0	0	213155
1802-09-15T08:00	15.60	62.65	246	6.7	BOMBAY	N70:58E	203		N74E	162.00	-2	WSW	MODERATE, SQUALLY, MODERATE		SHOWERS OF RAIN		CLOUDY	1	1	213156
1802-09-16T08:00	16.30	64.82	268	6.7	BOMBAY	N70:37E	160		N64E	139.00	-2	W	MODERATE BREEZES, MODERATE				CLOUDY	0	0	213157
1802-09-17T08:00	16.75	65.83	362	6.7	BOMBAY	N71:26E	138		N59E	65.00	-2	NW, VARIABLE, WNW, SSW, VARIABLE	LIGHT BREEZES, MODERATE, LIGHT BREEZES, SQUALLY, MODERATE		HEAVY RAIN		CLOUDY, HAZY, CLEAR	0	1	213158
1802-09-18T08:00	17.17	66.50	291	1.0	BOMBAY	N73E	122		N61E	44.00	-2	WNW	LIGHT BREEZES, LIGHT AIRS				CLOUDY, CLEAR	0	0	213159
1802-09-19T07:00	17.65	67.63	292	2.6	BOMBAY	N75E	101		N67E	71.00	-1	N, WNW	LIGHT BREEZES, LIGHT AIRS, LIGHT BREEZES	FINE PLEASANT WEATHER	RAIN		CLEAR	0	1	213160
1802-09-20T07:00	18.17	69.15	303	6.7	BOMBAY	N78E	75		N62E	98.00	-1	NWBW	LIGHT BREEZES, MODERATE, LIGHT AIRS, LIGHT BREEZES, SQUALLY, MODERATE		RAIN		CLEAR, CLOUDY	0	1	213161
1802-09-21T00:00			362		BOMBAY	NEBE1/2E	345	1				NW, NNW, VARIABLE	LIGHT BREEZES, VARIABLE		RAIN		CLOUDY	0	1	213162