wp1 urv – digitization and long-series construction nma-ro – user-oriented analysis of climate...
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WP1 URV – digitization and long-series
constructionNMA-RO – User-oriented analysis of
climate variability and changeMeteoSwiss – update on extended Alpine
precipitation datasetMF – QC of rainfall data using radar data
UEA – updating of CRUTS 3.1KNMI – surface solar irradiance
DWD -
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URV-Digitisation: status and prospects.
51 Tx/Tn daily records & approximate length
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A general look at the digitisation effort
2675399, 70%
790955, 21%
342370, 9%
data digitised by EURO4M
non-digital data gathered pendingdigitisationnon-digital data located but not yet accessed
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A more complete view of the whole effort: temperature records
2011 2012
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ORAN data sourcesEuropean Climate Assessment & Dataset (1965-2012)
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ORAN data sourcesTemporal span: 1852-2012 (with major gaps in 1870s & 1940s)
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ORAN stationsCap Falcon, City, Es Senia, Tafaroui
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Summary
Data rescue activities. NMA-RO has used sources which were prior identified (listed in deliverable D.1.14) to rescue data at Romanian stations covering time intervals prior to 1960. Monthly bulletins issued by the Romanian Meteorological Service were used and snow data and catchment average precipitation for 17 river basins have been digitized for the interval 1921-1940 (e.g. figure 1). In addition, daily bulletins issued by the Romanian Meteorological Service (from year 1925) have been used as alternative sources to fill some gaps of digitized air pressure data for 2 stations from Northern and Eastern Mediterranean areas (Tripoli and Tanger).
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Figure 1. Evolution of monthly sum of precipitation (in mm) over Siret Basin recovered for the interval 1921-1940.
Siret basin – newly rescued and digitized data for 1921-40
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The precipitation climate of the Alps, as seen from an extended rain-gauge dataset
F. A. Isotta, D. Masson and C. Frei3rd April 2012
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Data contributions
Austria Lebensministerium ~960
Croatia Meteorological service ~130
France Météo-France ~1500
Germany DWD ~700
ItalyRegional & national services
ARCIS (Climatological Archive for Northern Italy, www.arcis.it) and additional sources
~750
Slovenia Hidrometeorološki Zavod ~170
Switzerland MeteoSwiss ~440
Mean # stations (instantaneous)
• Domain: Lon. 2-17.5E, lat. 43-49N (including flatland & adjacent hill ranges)• Typical inter-station distance: 10 – 15 km• Daily sums (ca. 06:00-06:00), (1961-) 1971-recent
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Stations (old)
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Stations (new)
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Spatial control of rain gauge precipitations using radar data
(Contribution to WP1)
F Mounier, P Lassègues, A-L Gibelin, J-P Céron, J-M Veysseire
Meteo-France DCLIM / CNRM-GAME
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MAIN PROBLEMS of rain gauges: density, quality, instrument types
•Real-time Meteo-France (~1500-1800)
•volunteers (~2800)
Construct a 2007-2010 reference estimate of spatialized precipitation for rain gauges control and validation at fine scale.
PROPOSED SOLUTION
Use radar network in the spatialization process of the
precipitation estimate
Radar data need Radar data need also to be qualifiedalso to be qualified
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UEA• Updating of CRU TS 3.1• Paper about to be submitted• Includes Potential Evapotranspiration
using Penman-Monteith formula (FAO)
• Ge Verver will talk about comparisons with ECA&D
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DWD and KNMI
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