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: 19.556667 * Median Longitude: -66.816667 * South-bound Latitude: 19.170000 * West-bound Longitude: -67.470000 * North-bound Latitude: 20.150000 * East-bound Longitude: -66.200000

Date/Time Start: 1850-05-02T16:00:00 * Date/Time End: 1850-05-05T00:00:00

Event(s):

Venus_18500502_X_REIS_8_PI-17-25 * Latitude: 19.170000 * Longitude: -67.470000 * Date/Time Start: 1850-05-02T00:00:00 * Date/Time End: 1850-05-05T00:00:00 * Campaign: * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Venus (Brik), Voyage: Aguadilla - St. Juan De Porte Rico, 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	Distance to landmark	Distance	arbitrary units	Distance to the first landmark
9	Landmark	Landmark		Name of second landmark
10	Bearing	Bearing		Bearing of the second landmark
11	Landmark	Landmark		Name of third landmark
12	Bearing	Bearing		Bearing of the third landmark
13	-	-		1 If position is considered to be coastal (in port or near coastal disturbances)
14	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.
15	Wind scale reference	Wind scale ref	#	Name of, or reference to the wind scale that has been used
16	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.
17	Wind force description	Wind force descr		All reported wind forces on this day
18	Precipitation description	Precip descr
19	Cloud type	Cloud type
20	Gusts	Gusts		1 If wind gusts are reported
21	Precipitation/Rain	Rain		1 If rain was reported
22	Fog	Fog		1 If fog was reported
23	Snow type	Snow		1 If snow was reported
24	Thunder	Thunder		1 If thunder and or lightning was reported
25	Hail	Hail		1 If hail was reported
26	Sea ice	Sea ice		1 If sea-ice or icebergs were reported
27	Identification	ID		CLIWOC 2.1 line number

License:

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

Size:

73 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 Landmark (Name of second landmark)	10 Bearing (Bearing of the second landmark)	11 Landmark (Name of third landmark)	12 Bearing (Bearing of the third landmark)	13 - (1 If position is considered t...)	14 Decl [deg] (It is generally accepted by t...)	15 Wind scale ref [#] (Name of, or reference to the ...)	16 Wind dir descr (All reported wind directions ...)	17 Wind force descr (All reported wind forces on t...)	18 Precip descr	19 Cloud type	20 Gusts (1 If wind gusts are reported)	21 Rain (1 If rain was reported)	27 ID (CLIWOC 2.1 line number)
1850-05-02T16:00	19.17	-67.47	69	2.6									1	2	ONO	2	W20	V01, V10	1	1	266263
1850-05-03T16:00	20.15	-66.78	91	6.7	KASTEEL MORRO/ST JUAN	ZTO 3/4 O	27						1	4	O	4		V01, V00	0	0	266264
1850-05-04T16:00	19.35	-66.20	69	9.3	KASTEEL MOORO/ST JUAN	ZTO	13						1	5	ONO	5		V01	0	0	266265
1850-05-05T00:00			68	4.6	KASTEEL MORRO, VLAGGESTOK	NW 1/2 W		HET WATERFORT	NWTW 3/4 W	DE TELEGRAAF OP OOSTELIJK KASTEEL	NTO 3/4 O	1		3	ONO	3		V01, V00	0	0	266266