1. What have the authors contributed in "An observed trend in central south american precipitation" ?
Liebmann et al. this paper examined seasonal linear trends of precipitation from South American station data, which have been averaged onto grids, with emphasis on the central continent.
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2. What are the future works mentioned in the paper "An observed trend in central south american precipitation" ?
The authors wish to thank the following agencies for providing data that made this project possible: Agência Nacional de Águas ( Brazil ), Agência Nacional de Energia Elétrica ( Brazil ), UTE Uruguay, CTM Salto Grande, Servicio Meteorologico Nacional de Argentina, Servicio Meteorologico Nacional de Paraguay, Servicio Meteorologico Nacional de Uruguay, FUNCEME ( Ceará, Brazil ), Sistema Meteorologico do Paraná ( Paraná, Brazil ), DAEE ( São Paulo, Brazil ), Administración Provincial de Agua ( Chaco Province, Argentina ), Ministerio del Ambiente y los Recursos Naturales ( Venezuela ), Meteorologische Dienst Suriname, MÉTÉO-France, and the National Climatic Data Center ( United States ).. The authors wish to thank the InterAmerican Institute for Global Change Research ( IAICRN-055 ) for providing funds to allow collaboration between the South American and United States investigators.. The authors also wish to acknowledge the CLIVARPACS Program of NOAA-OGP.
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3. What is the advantage of using individual stations rather than gridded averages?
The use of individual stations rather than gridded averages has the advantage of being able to record point amounts rather than area averages, but the disadvantages of unequal weighting of the area.
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4. How many stations have missing observations during the JFM period?
In total, 41 stations, with an average record length of 50 yr, qualify, and those stations have missing observations during JFM on an average of 1.8% of days.
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