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:

Latitude: -6.700000 * Longitude: 108.600000

Event(s):

Swallow_17501013_NMM_ADM/L/S567 * Latitude Start: -6.100000 * Longitude Start: 106.860000 * Latitude End: -6.700000 * Longitude End: 108.600000 * Campaign: * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Swallow (Sloop), Start of voyage: 1750-10-24, End of voyage: 1750-10-30, Voyage: Batavia Road - Cherebon Road, 1st Observer: Henry Speke (Captain), 2nd Observer: John Kestell (1st Officer/Master), Company: Royal Navy, Other ship information: 10G 272BM

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	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	Comment	Comment		Life on board
11	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.
12	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.
13	Wind force description	Wind force descr		All reported wind forces on this day
14	Present weather	ww		Weather description
15	Precipitation description	Precip descr
16	Clearness	Clearness
17	Gusts	Gusts		1 If wind gusts are reported
18	Precipitation/Rain	Rain		1 If rain was reported
19	Fog	Fog		1 If fog was reported
20	Snow type	Snow		1 If snow was reported
21	Thunder	Thunder		1 If thunder and or lightning was reported
22	Hail	Hail		1 If hail was reported
23	Sea ice	Sea ice		1 If sea-ice or icebergs were reported
24	Identification	ID		CLIWOC 2.1 line number

License:

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

Size:

120 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 Bearing	8 Distance [arbitrary units]	9 -	10 Comment	11 Decl [deg]	12 Wind dir descr	13 Wind force descr	14 ww	15 Precip descr	16 Clearness	18 Rain	21 Thunder	24 ID
1750-10-24T00:00			362	6.7	HORN BAY	E1/2N	3				NE, NNE, VARIABLE	MODERATE	LATTER PARTS LIGHT AIRS AND FAIR		CLOUDY	0	0	247713
1750-10-25T00:00			180	1.0	EASTERN MOST LAND	SEBE3/4E	4				N, NNE, SSW, S	LIGHT AIRS	LATTER PART CALM		FAIR	0	0	247714
1750-10-26T00:00	-5.80		180	1.0							NBE, NNE, SSW, S	LIGHT AIRS			FAIR	0	0	247715
1750-10-27T00:00	-6.25		225	6.7	EXTREMES OF LAND	W1/2S - SE	2		PUNISHMENT MUTINY?THEFT		E, NEBE, NE, NNW, SW	MODERATE	MIDDLE PART THUNDER LIGHTNING	RAIN	FAIR	1	1	247716
1750-10-28T00:00	-6.22		113	6.7							NE, NNE, ENE, ESE	MODERATE	MIDDLE PART CLOUDY WITH THUNDER AND LIGHTNING		HAZY	0	1	247717
1750-10-29T00:00	-6.67		180	6.7	ROUND BUSH	SWBW1/2W	4				E, ESE, ENE, NNW, S	MODERATE	MIDDLE AND LATTER PARTS MODERATE AND HAZY WITH THUNDER AND LIGHTNING		FAIR	0	1	247718
1750-10-30T05:00	-6.70	108.60	178					1	PUNISHMENT MUTINY	-2	ESE, NE, WSW, S	SQUALLY	FIRST PART THUNDER AND LIGHTNING AND RAIN. MIDDLE PARTS MODERATE AND FAIR	RAIN		1	1	247719