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: 13.512500 * Median Longitude: 86.853571 * South-bound Latitude: 5.270000 * West-bound Longitude: 80.920000 * North-bound Latitude: 21.130000 * East-bound Longitude: 91.080000

Date/Time Start: 1797-01-08T07:00:00 * Date/Time End: 1797-02-06T07:00:00

Event(s):

Sybille_17970108_NMM_ADM/L/S616 * Latitude Start: 12.100000 * Longitude Start: 80.500000 * Latitude End: 13.170000 * Longitude End: 80.920000 * Date/Time Start: 1797-01-08T00:00:00 * Date/Time End: 1797-02-06T00:00:00 * Campaign: * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Sybille (5th Rate Frigate), Voyage: Madras - Balasore - Madras, 1st Observer: Edward Cooke (Captain), Company: Royal Navy, Other ship information: 44G 1090BM

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

License:

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

Size:

528 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 Wind force descr (All reported wind forces on t...)	14 Precip descr	15 Clearness	17 Rain (1 If rain was reported)	20 Thunder (1 If thunder and or lightning...)	23 ID (CLIWOC 2.1 line number)
1797-01-08T07:00	12.05	81.30	362	9.3	MADRAS	N18:42E	22	S40E	73.00	1	VARIABLE	FRESH BREEZES		HAZY	0	0	249732
1797-01-09T07:00	11.13	82.45	46	9.3	MADRAS	N44:4W	55	S51E	84.00	1	NE	FRESH BREEZES		CLEAR	0	0	249733
1797-01-10T06:00	10.33	83.62	2	9.3	ANDONAN	S72:12E	174	S55E	84.00	2	N	FRESH BREEZES		CLEAR	0	0	249734
1797-01-11T06:00	9.63	84.92	47	9.3	ANDONAN	S64:19E	155	S61E	88.00	2	NE	FRESH BREEZES		HAZY	0	0	249735
1797-01-12T06:00	8.82	86.35	47	9.3	ANDONAN	S64:34E	145	S60E	98.00	2	NE	FRESH BREEZES		CLEAR	0	0	249736
1797-01-13T06:00	7.53	88.28	47	6.7	NICOBAR ISL	S85E	119	S56E	138.00	2	NE	MODERATE BREEZES		HAZY	0	0	249737
1797-01-14T06:00	6.47	90.42	47	9.3	ACHIN	N78:40E	100	S64E	143.00	2	NE	FRESH BREEZES		CLEAR	0	0	249738
1797-01-15T06:00	5.27	91.08	47	9.3	ACHIN	S89E	77	S27E	88.00	2	NE	FRESH BREEZES		CLOUDY	0	0	249739
1797-01-16T06:00	6.85	91.05	92	9.3	NICOBAR ISL	N83:40E	57	N3E	106.00	2	E	FRESH BREEZES		CLOUDY	0	0	249740
1797-01-17T06:00	8.48	90.62	115	9.3	NICOBAR ISL	S58:42E	50	N16E	100.00	2	ESE	FRESH BREEZES AND SQUALLY	RAIN		1	1	249741
1797-01-18T06:00	10.08	89.97	58	9.3	POINT PALMIRA	N9:10W	210	N22E	106.00	2	NEBE	FRESH BREEZES		CLEAR	0	0	249742
1797-01-19T06:00	11.47	88.87	47	9.3	POINT PALMIRA	N3:47W	179	N38W	107.00	2	NE	FRESH BREEZES		CLEAR	0	0	249743
1797-01-20T06:00	12.68	87.68	92	9.3	POINT PALMIRA	N4:3E	155	N44W	102.00	2	E	FRESH BREEZES		PLEASANT	0	0	249744
1797-01-21T06:00	14.02	86.77	70	9.3	PALMIRAS	N12:21E	131	N34W	97.00	2	ENE	FRESH BREEZES		HAZY	0	0	249745
1797-01-22T06:00	15.57	86.33	362	6.7	PALMIRAS	N20:35E	104	N16W	96.00	2	VARIABLE	MODERATE BREEZES		HAZY	0	0	249746
1797-01-23T06:00	17.15	86.33	70	9.3	PALMIRAS	N29:4E	75	N	96.00	2	ENE	FRESH BREEZES		CLEAR	0	0	249747
1797-01-24T06:00	18.08	86.50	70	2.6	POINT PALMIRA	N35:11E	57	N10E	58.00	2	ENE	LIGHT BREEZES		CLEAR	0	0	249748
1797-01-25T06:00	19.05	87.93	216	1.0	PALMIRAS	N24:9W	30	N48E	90.00	2	SWBS	LIGHT AIRS INCLINABLE TO CALM			0	0	249749
1797-01-26T06:00	20.87	88.72	238	1.0	PALMIRAS	N44W	13	N32E	128.00	2	SWBW	LIGHT BREEZES INCLINABLE TO CALM		CLEAR	0	0	249750
1797-01-27T06:00	21.13	88.23	2	9.3				N36E	47.00	2	N	FRESH BREEZES		HAZY	0	0	249751
1797-01-30T06:00	21.02	88.12	362	2.6	POINT PALMIRA	S51:6W	19	S34E	30.00	2	VARIABLE	LIGHT BREEZES		CLEAR	0	0	249752
1797-01-31T06:00	19.45	88.25	362	2.6	MADRAS	S49:14W	200	S5E	94.00	2	VARIABLE	LIGHT BREEZES		CLEAR	0	0	249753
1797-02-01T06:00	17.87	87.42	340	9.3	MADRAS	S54:14W	158	S28W	107.00	2	NNW	FRESH BREEZES		CLEAR	0	0	249754
1797-02-02T06:00	16.63	87.95	351	9.3	MADRAS	S57:37W	128	N34W	101.00	2	NBW	FRESH BREEZES		CLEAR	0	0	249755
1797-02-03T06:00	15.65	85.42	47	2.6	MADRAS	S40:28W	103	S46W	85.00	2	NE	LIGHT BREEZES		HAZY	0	0	249756
1797-02-04T06:00	14.20	84.20	47	6.7	MADRAS	S72:19W	70	S40W	110.00	2	NE	MODERATE BREEZES		HAZY	0	0	249757
1797-02-05T07:00	13.70	82.20	69	9.3	MADRAS	S71:5W	70	S75W	125.00	1	ENE	FRESH BREEZES		CLEAR	0	0	249758
1797-02-06T07:00	13.17	80.92	362	2.6	MADRAS	W	18	S67W	77.00	1	VARIABLE	LIGHT BREEZES		CLEAR	0	0	249759