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: -36.777727 * Median Longitude: -50.906818 * South-bound Latitude: -43.870000 * West-bound Longitude: -63.230000 * North-bound Latitude: -25.900000 * East-bound Longitude: -42.410000

Date/Time Start: 1764-10-22T00:00:00 * Date/Time End: 1764-11-13T16:00:00

Event(s):

Dolphin_17641022_PRO_ADM/51/4536 * Latitude Start: -23.370000 * Longitude Start: -43.120000 * Latitude End: -47.370000 * Longitude End: -64.370000 * Date/Time Start: 1764-10-22T00:00:00 * Date/Time End: 1764-11-13T00:00:00 * Campaign: * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Dolphin (6th Rate Frigate), Voyage: Rio De Janeiro - Port Desire, 1st Observer: John Byron (Captain), 2nd Observer: Richard Creyk (1st Officer/Master), Company: Royal Navy, Other ship information: 24G 508BM

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	Course	Course		Course of the ship during the past 24 hours
10	Distance	Distance	arbitrary units	Distance travelled during the previous 24 hours
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	Current speed description	V descr
14	Wind force description	Wind force descr		All reported wind forces on this day
15	Present weather	ww		Weather description
16	Precipitation description	Precip descr
17	State of the sea description	State sea descr
18	Clearness	Clearness
19	Gusts	Gusts		1 If wind gusts are reported
20	Precipitation/Rain	Rain		1 If rain was reported
21	Fog	Fog		1 If fog was reported
22	Snow type	Snow		1 If snow was reported
23	Thunder	Thunder		1 If thunder and or lightning was reported
24	Hail	Hail		1 If hail was reported
25	Sea ice	Sea ice		1 If sea-ice or icebergs were reported
26	Identification	ID		CLIWOC 2.1 line number

License:

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

Size:

442 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 Course (Course of the ship during the...)	10 Distance [arbitrary units] (Distance travelled during the...)	11 Decl [deg] (It is generally accepted by t...)	12 Wind dir descr (All reported wind directions ...)	13 V descr	14 Wind force descr (All reported wind forces on t...)	15 ww (Weather description)	16 Precip descr	17 State sea descr	18 Clearness	19 Gusts (1 If wind gusts are reported)	20 Rain (1 If rain was reported)	21 Fog (1 If fog was reported)	23 Thunder (1 If thunder and or lightning...)	26 ID (CLIWOC 2.1 line number)
1764-10-22T00:00	-25.43		122	19.0	RIO JANEIRA	N	47	S	142.00	-13	E, ENE, SE		FRESH SEA BREEZE, THEN FRESH GALES	LIGHTING	HEAVY SHOWERS OF RAIN		FAIR	1	1	0	1	56816
1764-10-23T15:00	-25.90	-42.63	43	22.6	RIO JANEIRA	N10W	59	S46E	40.00	9	WSW, SWBW, NEBN		FIRST MODERATE, 10PM STRONG GALES AND SQUALLY				HAZY	0	0	0	0	56817
1764-10-24T15:00	-26.37	-42.41	233	6.7	RIO JANEIRA	N12W	68	S22E	30.00	8	SEBS, SW		FIRST STRONG GALES, LATTER MODERATE				FIRST CLOUDY, LATTER HAZY	0	0	0	0	56818
1764-10-25T15:00	-27.67	-43.03	146	9.3	RIO JANEIRA	N1W	92	S24W	86.00	11	ENE, SE		FRESH BREEZES				CLOUDY	0	0	0	0	56819
1764-10-26T15:00	-29.73	-43.96	101	6.7	RIO JANEIRA	N6:30E	134	S22W	138.00	11	ENE, E		FIRST FRESH GALES, MID AND LATTER MODERATE				FIRST CLOUDY, MID AND LATTER FAIR	0	0	0	0	56820
1764-10-27T15:00	-32.00	-44.91	56	6.7	RIO JANEIRA	N10:30E	184	S19W	149.00	11	NE		MODERATE				CLOUDY	0	0	0	0	56821
1764-10-28T15:00	-34.00	-45.78	24	9.3	RIO JANEIRA	N11E	223	S20W	128.00	13	NBE		FRESH BREEZES	VERY HEAVY DEW IN NIGHT			CLEAR	0	0	0	0	56822
1764-10-29T15:00	-36.30	-46.51	24	22.6	RIO JANEIRA	N13E	271	S17W	147.00	13	NW, NBE		FIRST AND MID FRESH GALES, LATTER STRONG GALES		RAIN		FAIR	0	1	0	0	56823
1764-10-30T15:00	-35.87	-46.21	238	19.0	RIO JANEIRA	N12E	262	S30E	29.00	13	S, SBE, SW		VERY HARD GALES AND SQUALLY, 4AM FRESH GALES			A GREAT SEA	CLEAR	0	0	0	0	56824
1764-10-31T15:00	-36.33	-46.49	216	6.7	CAPE BLANCO	S60:50W	465	S27W	31.00	13	WSW, SSW		MODERATE				CLOUDY	0	0	0	0	56825
1764-11-01T15:00	-36.67	-47.11	148	1.0	CAPE BLANCO	S61W	418	S56W	34.00	13	WNW, SE		LIGHT AIRS				CLOUDY	0	0	0	0	56826
1764-11-02T15:00	-37.52	-49.08	16	6.7	CAPE BLANCO	S61W	395	S62W	107.00	16	N		MODERATE					0	0	0	0	56827
1764-11-03T15:00	-38.57	-51.29	331	6.7	CAPE BLANCO	S59W	345	S72W	104.00	16	NW		MODERATE					0	0	0	0	56828
1764-11-04T16:00	-38.90	-52.69	332	2.6	CAPE BLANCO	S60W	319	S53W	82.00	17	NW		LITTLE WIND				CLOUDY	0	0	0	0	56829
1764-11-05T16:00	-39.65	-53.83	332	6.7	CAPE BLANCO	S60W	298	S59W	82.00	17	WNW, NW		MODERATE	THICK FOGGY WEATHER			CLOUDY	0	0	1	0	56830
1764-11-06T16:00	-39.58	-54.34	265	22.6	CAPE BLANCO	S60W	290	S52W	20.00	17	SW, SWBW, WSW		FIRST LITTLE WIND, MID FRESH BREEZES, LATTER STRONG GALES				MID CLEAR	0	0	1	0	56831
1764-11-07T16:00	-40.03	-53.98	231	6.7	CAPE BLANCO	S71:49W	254	S30E	32.00	17	WBS, SWBS		FIRST FRESH GALES, MID AND LATTER MODERATE				FIRST CLOUDY, LATTER FAIR	0	0	0	0	56832
1764-11-08T16:00	-41.17	-54.68	332		POINT DE LAS LEONES	S76W	245	S25W	76.00	17	WSW, NW		LIGHT AIRS, 8 SQUALLY			GREAT SWELL FROM SW	FAIR	0	0	0	0	56833
1764-11-09T16:00	-41.38	-56.08	242	6.7	POINT DE LAS LEONES	S71:43W	213	S71W	67.00	17	SEBE, SW		MODERATE				FAIR	0	0	0	0	56834
1764-11-10T16:00	-41.30	-57.83	107	6.7	POINT DE LAS LEONES	S73:28W	1189	S86W	80.00	17	N, NW, E	STRONG	MODERATE				HAZY	0	0	0	0	56835
1764-11-11T16:00	-42.53	-61.04	334	19.0	POINT DE LAS LEONES	S76:58W	130	S62W	160.00	19	NW		FRESH GALES				CLOUDY	0	0	0	0	56836
1764-11-12T16:00	-43.77	-62.84	334	9.3	POINT DE LAS LEONES	S83W	132	S47W	109.00	19	WBS, SWBW, NW		FRESH BREEZES				FAIR	0	0	0	0	56837
1764-11-13T16:00	-43.87	-63.23	312	19.0	CAPE BLANCO	S62:36W	128	S63W	14.00	19	SWBS, SWBW, SSW, WSW, WNW		FRESH GALES				CLOUDY	0	0	0	0	56838