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: 42.936364 * Median Longitude: -11.713636 * South-bound Latitude: 34.950000 * West-bound Longitude: -16.530000 * North-bound Latitude: 49.670000 * East-bound Longitude: -4.460000

Event(s):

Prince_George_17510401_BL_L/MAR/B/575A * Latitude Start: 49.670000 * Longitude Start: -4.460000 * Latitude End: 18.500000 * Longitude End: 72.820000 * Campaign: * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Prince George, Start of voyage: 1751-04-12, End of voyage: 1751-04-22, Voyage: Start Point - Bombay, 1st Observer: Robert Baker (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	Landmark	Landmark		Name of first landmark
7	-	-		1 If position is considered to be coastal (in port or near coastal disturbances)
8	Course	Course		Course of the ship during the past 24 hours
9	Distance	Distance	arbitrary units	Distance travelled during the previous 24 hours
10	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.
11	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.
12	Wind force description	Wind force descr		All reported wind forces on this day
13	Precipitation description	Precip descr
14	State of the sea description	State sea descr
15	Clearness	Clearness
16	Gusts	Gusts		1 If wind gusts are reported
17	Precipitation/Rain	Rain		1 If rain was reported
18	Fog	Fog		1 If fog was reported
19	Snow type	Snow		1 If snow was reported
20	Thunder	Thunder		1 If thunder and or lightning was reported
21	Hail	Hail		1 If hail was reported
22	Sea ice	Sea ice		1 If sea-ice or icebergs were reported
23	Identification	ID		CLIWOC 2.1 line number

License:

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

Size:

190 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 Landmark	7 -	8 Course	9 Distance [arbitrary units]	10 Decl [deg]	11 Wind dir descr	12 Wind force descr	13 Precip descr	14 State sea descr	15 Clearness	17 Rain	23 ID
1751-04-12T12:00	49.67	-4.46	231		START POINT	1	44W	46.00	-17	SWBW, WSW	LITTLE WINDS AND CALMS, MIDDLE AND LATTER SQUALLY WEATHER			MIDDLE AND LATTER CLOUDY	0	194073
1751-04-13T12:00	48.42	-7.06	17		START POINT		S56:30W	122.00	-17	SW, CALM, NW, NEBN	LITTLE WINDS AND CALMS, MIDDLE AND LATTER SQUALLY WEATHER			FIRST AND LATTER PART CLOUDY, MIDDLE FAIR	0	194074
1751-04-14T13:00	47.15	-8.80	253		START POINT		S41:0W	108.00	-17	NEBE, NNE, NW, NWBW, W				FAIR	0	194075
1751-04-15T13:00	46.18	-10.50	343	19.0	START POINT		S54:0W	88.00	-17	W, NNW, NBW, N	MIDDLE AND LATTER PART FRESH GALES	RAIN			1	194076
1751-04-16T13:00	45.12	-11.75	287	2.6	START POINT		S40:0W	83.00	-17	NNW, NWBW, N, NNE, NWBW	FIRST PART FRESH BREEZES, MIDDLE AND LATTER PART A LIGHT BREEZE INCLINABLE TO CALM				0	194077
1751-04-17T13:00	43.88	-12.53	74	2.6	START POINT		S25:0W	82.00	-16	CALM, WNW, WBN, E	FIRST PART FRESH BREEZES, MIDDLE AND LATTER PART A LIGHT BREEZE INCLINABLE TO CALM				0	194078
1751-04-18T13:00	41.78	-13.23	19	9.3	START POINT		S16:0W	108.00	-15	NEBE, NEBN	PLEASANT GALE THESE 24 HOURS				0	194079
1751-04-19T13:00	40.08	-13.93	334	9.3	START POINT		S16:30W	106.00	-15	NEBN, NNE, NBE, N, NBW	THESE 24 HOURS A PLEASANT GALE		SMOOTH WATER		0	194080
1751-04-20T13:00	38.37	-14.73	8	6.7	START POINT		S19:30W	111.00	-15	NNE, N, NEBN, NNE	FIRST AND LATTER PART OF THESE 24 HOURS PLEASANT BREEZES			FIRST AND LATTER PARTS OF THESE 24 HOURS FAIR WEAT	0	194081
1751-04-21T13:00	36.70	-15.33	42	9.3	START POINT		S19:30W	106.00	-14	ENE, NEBE	FINE PLEASANT GALE				0	194082
1751-04-22T13:00	34.95	-16.53	54	6.7	START POINT		S22:30W	137.00	-14	NEBE, ENE	FINE PLEASANT BREEZES				0	194083