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García-Herrera, Ricardo; Können, Gunther P; Wheeler, Dennis A; Prieto, Maria del Rosario; Jones, Philip D; Koek, Frits B (2010): Meteorological observations during Santa Perpetua cruise from De La Soledad to Rio de La Plata started at 1774-12-18 [dataset]. Archivo Museo Naval Madrid, Spain, PANGAEA, https://doi.org/10.1594/PANGAEA.751960, In: Jones, Philip D; Wheeler, Dennis A; Können, Gunther P; Koek, Frits B; Prieto, Maria del Rosario; García-Herrera, Ricardo (2007): Climatological observations from ship logbooks between 1750 and 1854 (release 2.1) [dataset publication series]. PANGAEA, https://doi.org/10.1594/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
Funding:
Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00090: Climatological Database for the Worlds Oceans: 1750-1854
Coverage:
Median Latitude: -39.840000 * Median Longitude: -55.083636 * South-bound Latitude: -49.430000 * West-bound Longitude: -56.880000 * North-bound Latitude: -35.370000 * East-bound Longitude: -53.200000
Date/Time Start: 1774-12-18T16:00:00 * Date/Time End: 1774-12-29T16:00:00
Event(s):
Santa_Perpetua_17741218_MS_204 * Latitude Start: -49.430000 * Longitude Start: -56.720000 * Latitude End: -35.030000 * Longitude End: -55.480000 * Date/Time Start: 1774-12-18T00:00:00 * Date/Time End: 1774-12-29T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Santa Perpetua (Fragata), Voyage: De La Soledad (Malvinas) - Rio De La Plata, 1st Observer: Jose Bustillos (Capitan De Fragata)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DATE/TIMEDate/TimeGeocode
LATITUDELatitudeGeocode
LONGITUDELongitudeGeocode
Wind directiondddegWind 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.
Wind speedffm/scalculated from the descriptive terms of wind force given in the observations
--1 If position is considered to be coastal (in port or near coastal disturbances)
DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
CommentCommentOther remarks, that were not possible to put in the other remark fields
Comment 2 (continued)Comm 2Other remarks
10 DeclinationDecldegIt 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.
11 Wind direction descriptionWind dir descrAll reported wind directions on this day. The wind direction is the direction that points to where the wind comes from.
12 Wind force descriptionWind force descrAll reported wind forces on this day
13 Present weatherwwWeather description
14 State of the sea descriptionState sea descr
15 GustsGusts1 If wind gusts are reported
16 Precipitation/RainRain1 If rain was reported
17 FogFog1 If fog was reported
18 Snow typeSnow1 If snow was reported
19 ThunderThunder1 If thunder and or lightning was reported
20 HailHail1 If hail was reported
21 Sea iceSea ice1 If sea-ice or icebergs were reported
22 IdentificationIDCLIWOC 2.1 line number
Size:
197 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Date/Time

Latitude

Longitude

dd [deg]

ff [m/s]

-

Distance [arbitrary units]

Comment

Comm 2
10 
Decl [deg]
11 
Wind dir descr
12 
Wind force descr
13 
ww
14 
State sea descr
15 
Gusts
16 
Rain
17 
Fog
18 
Snow
19 
Thunder
20 
Hail
21 
Sea ice
22 
ID
1774-12-18T16:00-49.43-56.722006.7108.00EMPIEZA A LEVAR A LA 1:00. MEDICION Y DATOS DEL MEDIODIA MENOS DESCRIPTORES QUE SUELEN SER DEL ANOCHECER. DIARIO DEL PUERTO DE LA SOLEDAD EN LAS MALVINAS AL RÍO DE LA PLATA DEL ALFÉREZ DE FRAGATADON GREGORIO DE JOSÉ Y LLAÑOS HECHO EN LA FRAGATA SANTA PERPETUA DEL MANDO DEL CAP. JOSÉ BUSTILLOS DESDE EL 20-10-1774. CARTA FRANCESA20SGALENOHORIZONTES CARGADOSLLANA0000000227451
1774-12-19T16:00-46.68-56.882226.7165.00MEDICION Y DATOS DEL MEDIODIA MENOS DESCRIPTORES QUE SUELEN SER DEL ANOCHECER. CARTA FRANCESA19SSOGALENOHORIZONTES CON ALGUNA CELAJERIALLANA0000000227452
1774-12-20T16:00-44.70-56.222476.7122.00MEDICION Y DATOS DEL MEDIODIA MENOS DESCRIPTORES QUE SUELEN SER DEL ANOCHECER. CARTA FRANCESA19SO 1/4 OGALENOHORIZONTES CARGADOS0000000227453
1774-12-21T16:00-41.75-55.782426.7178.00MEDICION Y DATOS DEL MEDIODIA MENOS DESCRIPTORES QUE SUELEN SER DEL ANOCHECER. CARTA FRANCESA17SOGALENOHORIZONTES ACELAJADOSDEL S0000000227454
1774-12-22T16:00-39.22-53.952429.3174.00MEDICION Y DATOS DEL MEDIODIA MENOS DESCRIPTORES QUE SUELEN SER DEL ANOCHECER. CARTA FRANCESA17SOFRESQUITOHORIZONTES CARGADOSDEL SSE Y S0000000227455
1774-12-23T16:00-36.98-53.202829.3139.00MEDICION Y DATOS DEL MEDIODIA MENOS DESCRIPTORES QUE SUELEN SER DEL ANOCHECER. CARTA FRANCESA15O 1/4 SOFRESQUITOHORIZONTES CARGADOSALGUNA MAREJADA DEL S0000000227456
1774-12-24T16:00-36.62-54.582186.768.00MEDICION Y DATOS DEL MEDIODIA MENOS DESCRIPTORES QUE SUELEN SER DEL ANOCHECER. CARTA FRANCESA15SSOGALENOCALMA0000000227457
1774-12-25T16:00-36.43-55.233339.339.00MEDICION Y DATOS DEL MEDIODIA MENOS DESCRIPTORES QUE SUELEN SER DEL ANOCHECER. CARTA FRANCESA15NO 1/4 NFRESQUITOHORIZONTES CLAROSLLANA0000000227458
1774-12-26T16:00-35.53-54.28836.71025.00MEDICION Y DATOS DEL MEDIODIA MENOS DESCRIPTORES QUE SUELEN SER DEL ANOCHECER. CARTA FRANCESA15ENEGALENOCERRADO DE NIEBLALLANA0010000227459
1774-12-27T16:00-35.53-54.28263MEDICION Y DATOS DEL MEDIODIA MENOS DESCRIPTORES QUE SUELEN SER DEL ANOCHECER. CARTA FRANCESA15OSOVARIABLEA LAS 16:30 VINO UNA TURBONADA DE AGUA, RELAMPAGOS Y TRUENOS0100100227460
1774-12-28T00:001809.31AVISTA EL PAN DE AZUCAR. MEDICION Y DATOS DEL MEDIODIA MENOS DESCRIPTORES QUE SUELEN SER DEL ANOCHECER. CARTA FRANCESASFRESQUITOHORIZONTES CARGADOSBIEN GRUESA DEL VIENTO0000000227461
1774-12-29T16:00-35.37-54.801739.31FONDEA. MEDICION Y DATOS DEL MEDIODIA MENOS DESCRIPTORES QUE SUELEN SER DEL ANOCHECER. CARTA FRANCESA15SSEFRESQUITO0000000227462