Browsing by Author "Rodríguez, R."
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Item Open Access Dendrochronological studies in the Peruvian north coast relate to ENSO(Instituto Geofísico del Perú, 2000) Rodríguez, R.; Mabres, A.; Flores, L.A.; Woodman Pollitt, Ronald FranciscoDendrochronological studies in the peruvian nort coast to find records of past El Niño - Southern Oscillation (ENSO) events began an the ale 80's. The peruvian north coast is the west-most area of South America, close to equator (05o S 80o W) and to the Sechura desert, is a very sensitive area to the climatic changes due to ENSO. An initial selection of several regional trees have been done for study. The study includes phenological observations and tree ring characteristics analysis as well as racial growth control of tree trunks and branches. The species more intensively studied and suitable to fina records due to the ENSO are Palo Santo, Hualtaco and Sapote.Item Restricted Southern-hemisphere PMSE: Where are they?(American Geophysical Union, 1993-09) Balsley, B. B.; Woodman Pollitt, Ronald Francisco; Sarango, M.; Urbina, J.; Rodríguez, R.; Ragaini, E.; Carey, J.We report a surprising absence of PMSE (Polar Mesospheric Summer Echoes) in VHF radar observations of the southern summer high-latitude mesosphere. Our observations cover about twenty days during January-February, 1993, from King George Island, Antarctica.Item Restricted Wind profiler installed in Antarctica(American Geophysical Union, 1993-08) Balsley, B. B; Carey, J.; Woodman Pollitt, Ronald Francisco; Sarango, M.; Urbina, J.; Rodríguez, R.; Ragaini, E.A VHF (50 MHz) wind profiler was installed in Antarctica at the Peruvian Base Machu Picchu on King George Island from January 21 to 26. The wind profiler will provide a first look at atmospheric dynamics over the region. The profiler-the first of its kind in Antarctica-is a National Science Foundation sponsored cooperative project of the University of Colorado, the Geophysical Institute of Peru, the University of Piura (Peru), and the Peruvian Navy. This venture was also greatly facilitated by Peru's Comision Nacional de Asuntos Antartidos and Consejo Nacional de Ciencias y Tecnologia, with additional logis tics support provided by the Argentinean Navy and the Uruguayan Air Force.