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: -7.830110 * Median Longitude: 16.493425 * South-bound Latitude: -38.900000 * West-bound Longitude: -26.570000 * North-bound Latitude: 49.420000 * East-bound Longitude: 107.250000

Date/Time Start: 1788-11-25T00:00:00 * Date/Time End: 1789-07-07T05:00:00

Event(s):

Nederlands_Welvaren_17881125_MMR_WAE191 * Latitude Start: 53.090000 * Longitude Start: 4.670000 * Latitude End: -6.100000 * Longitude End: 106.860000 * Date/Time Start: 1788-11-25T00:00:00 * Date/Time End: 1789-07-07T00:00:00 * Campaign: * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Nederlands Welvaren, Voyage: Texel - Batavia, 1st Observer: Fredrik Breyman (Journaalhouder), 2nd Observer: Jacob Smit (Schipper), Company: VOC, Dutch Asiatic Shipping Number: 4625.2, Other ship information: GEBOUWD IN 1785 TE AMSTERDAM. LENGTE 150 VOET, LAADVERMOGEN 1150 TON. HET SCHIP WAS BEMAND MET 359 KOPPEN, BESTAANDE UIT 213 ZEEVARENDEN, 21 AMBACHTSLIEDEN, 118 MILITAIREN EN 7 PASSAGIERS. HET SCHIP WAS BEWAPEND MET 18 IJZEREN KANONNEN VAN 8 POND, 6 IJZEREN KANONNEN VAN 4 POND EN 2 METALEN BASSEN. HET SCHIP STAK BELADEN ACHTER 22 VOET EN VOOR 20,5 VOET DIEP.

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	-	-		1 If position is considered to be coastal (in port or near coastal disturbances)
13	Watch	Watch		Name of the period of 4 hours which is known as a watch or duty on board ships
14	Glasses	Glasses		Number of glasses within a watch; one watch equals 8 glasses
15	Comment	Comment		Life on board
16	Course	Course		Course of the ship during the past 24 hours
17	Distance	Distance	arbitrary units	Distance travelled during the previous 24 hours
18	Comment	Comment		Any remark, found in the logbook on this particular day, about any biological item
19	Comment	Comment		Other remarks, that were not possible to put in the other remark fields
20	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.
21	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.
22	Wind force description	Wind force descr		All reported wind forces on this day
23	Present weather	ww		Weather description
24	Precipitation description	Precip descr
25	Cloud type	Cloud type
26	Clearness	Clearness
27	Gusts	Gusts		1 If wind gusts are reported
28	Precipitation/Rain	Rain		1 If rain was reported
29	Fog	Fog		1 If fog was reported
30	Snow type	Snow		1 If snow was reported
31	Thunder	Thunder		1 If thunder and or lightning was reported
32	Hail	Hail		1 If hail was reported
33	Sea ice	Sea ice		1 If sea-ice or icebergs were reported
34	Identification	ID		CLIWOC 2.1 line number

License:

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

Size:

3559 data points

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