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: 10.660000 * Median Longitude: -67.520000 * South-bound Latitude: 10.650000 * West-bound Longitude: -68.020000 * North-bound Latitude: 10.670000 * East-bound Longitude: -67.020000

Date/Time Start: 1849-09-02T16:00:00 * Date/Time End: 1849-09-03T17:00:00

Event(s):

Venus_18490902_X_REIS_8_PI-17-25 * Latitude Start: 10.710000 * Longitude Start: -67.520000 * Latitude End: 12.090000 * Longitude End: -68.310000 * Date/Time Start: 1849-09-02T00:00:00 * Date/Time End: 1849-09-03T00:00:00 * Campaign: * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Venus (Brik), Voyage: Laguaijra - Porto Cabello, 1st Observer: E. Ippius Fockens (Kltz), Company: MAR

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	Landmark	Landmark		Name of second landmark
9	Bearing	Bearing		Bearing of the second landmark
10	Landmark	Landmark		Name of third landmark
11	Bearing	Bearing		Bearing of the third landmark
12	Comment	Comment		Other remarks, that were not possible to put in the other remark fields
13	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.
14	Wind scale reference	Wind scale ref	#	Name of, or reference to the wind scale that has been used
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	Cloud type	Cloud type
18	Gusts	Gusts		1 If wind gusts are reported
19	Precipitation/Rain	Rain		1 If rain was reported
20	Fog	Fog		1 If fog was reported
21	Snow type	Snow		1 If snow was reported
22	Thunder	Thunder		1 If thunder and or lightning was reported
23	Hail	Hail		1 If hail was reported
24	Sea ice	Sea ice		1 If sea-ice or icebergs were reported
25	Identification	ID		CLIWOC 2.1 line number

License:

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

Size:

43 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 Landmark (Name of second landmark)	9 Bearing (Bearing of the second landmark)	10 Landmark (Name of third landmark)	11 Bearing (Bearing of the third landmark)	12 Comment (Other remarks, that were not ...)	13 Decl [deg] (It is generally accepted by t...)	14 Wind scale ref [#] (Name of, or reference to the ...)	15 Wind dir descr (All reported wind directions ...)	16 Wind force descr (All reported wind forces on t...)	17 Cloud type	18 Gusts (1 If wind gusts are reported)	19 Rain (1 If rain was reported)	20 Fog (1 If fog was reported)	21 Snow (1 If snow was reported)	22 Thunder (1 If thunder and or lightning...)	23 Hail (1 If hail was reported)	24 Sea ice (1 If sea-ice or icebergs were...)	25 ID (CLIWOC 2.1 line number)
1849-09-02T16:00	10.67	-67.02	49	2.6	KAAP BLANCO	ZWTW 1/2 W	SEINPOST	Z	DE ZADELBERG	ZOTO 1/2 0		4	2	NO	2	V00	0	0	0	0	0	0	0	266250
1849-09-03T17:00	10.65	-68.02	95	4.6	NOORDWESTELIJKSTE ZIGTBARE LAND	NW 1/4 W	HET PUNT BRAVA	NO 1/2 O	VLAGGESTOK PORT	OZO	WIT KASTEEL Z 1/2 W.	5	3	O	3	V00, V04	0	0	0	0	0	0	0	266251