Witnessing North Atlantic westerlies variability from ships’ logbooks (1685–2008)

Barriopedro, David; Gallego, David; Alvarez-Castro, M. Carmen; García‐Herrera, Ricardo; Wheeler, Dennis; Peña‐Ortiz, Cristina; Barbosa, Susana

doi:10.1007/s00382-013-1957-8

Cited by 50 publications

(75 citation statements)

References 58 publications

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“…Recently, Wheeler et al () and Barriopedro et al () demonstrated that historical meteorological observations taken on board ships are suitable for the development of climatic indices of instrumental character when only the wind direction observations are considered. The monsoonal circulations are excellent candidates to be characterised by this kind of index.…”

Section: Introductionmentioning

confidence: 99%

An instrumental index of the West African Monsoon back to the nineteenth century

Gallego

Ordóñez

Ribera

et al. 2015

Quart J Royal Meteoro Soc

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Our results also show that the period 1839-1890 was characterised by a stronger than average monsoon, resulting in relatively wet conditions in the Sahel. Notwithstanding, two of the few dry years within this period were concurrent with large volcanic eruptions in the Northern Hemisphere. This latter result supports the recently described relationship between major volcanic eruptions and the occurrence of isolated drought episodes in the Sahel.

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Section: Introductionmentioning

confidence: 99%

An instrumental index of the West African Monsoon back to the nineteenth century

Gallego

Ordóñez

Ribera

et al. 2015

Quart J Royal Meteoro Soc

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“…This has been possible by using either historical monthly mean grids going back to the eighteenth century (Beck et al, 2007) or daily fields that extend to 1871 in reanalysis products (e.g., Jones et al, 2013), to 1850 in historical data (Philipp et al, 2007) and to 1685 for some weather types (Barriopedro et al, 2014). These studies stress that changes in weather type frequencies can explain an important amount of temperature and precipitation variability.…”

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Circulation weather types as a tool in atmospheric, climate, and environmental research

Ramos

Barriopedro

Dutra

2015

Front. Environ. Sci.

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Classifications of circulation weather systems have a long history in meteorology and climatology. Starting with manual classifications (Hess and Brezowsky, 1952;Lamb, 1972) over specific regions of the globe, these tools (generally called "catalogs of synoptic types") were restricted mainly to weather forecasting and historical climate studies.In the last decades, the advance of computing resources and the availability of datasets have fostered the development of fast and objective methods that process large amounts of data. Many climatological studies and applications require these data to be as simplified as possible; this is often achieved by analyzing gridded datasets (usually sea level pressure or geopotential height at different levels), and grouping the data into a relatively small number of distinct categories. Since these types are based on meteorological fields observed at a specific instant, they are also called Eulerian classifications.Several classification methods of circulation weather types have been developed, and are currently used in a wide range of applications (Huth et al., 2008(Huth et al., , 2010Philipp et al., 2010). In addition, in 2002, Sheridan stated that the "Synoptic weather-typing, or the classification of weather conditions or patterns into categories, continues to be popular, and numerous methods have been developed over the past century" (Sheridan, 2002). The increasing interdisciplinary use of circulation weather types in Europe became clear when the European project "Harmonization and Applications of Weather Types Classifications for European Regions-COST733, " where a wide range of classification schemes for different spatial domains were developed and compared within the scope of distinct applications. (Huth et al

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“…The phases of the indices are associated to different weather regimes and, depending on the region and season, have an impact on meteorological variables as temperature and precipitation of the downwind zones. Barriopedro et al (2014) have built the Westerly Index (WI), which is the monthly frequency of westerly winds over the English Channel. This is the longest observational atmospheric index currently available (1685-present).…”

Section: Figure 2 Logbook From a Spanish Mail Ship On Its Route Frommentioning

confidence: 99%

Documentary sources to investigate multidecadal variability of droughts

Domínguez‐Castro

García‐Herrera

2016

CIG

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Witnessing North Atlantic westerlies variability from ships’ logbooks (1685–2008)

Cited by 50 publications

References 58 publications

An instrumental index of the West African Monsoon back to the nineteenth century

An instrumental index of the West African Monsoon back to the nineteenth century

Circulation weather types as a tool in atmospheric, climate, and environmental research

Documentary sources to investigate multidecadal variability of droughts

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