Simulating orographic rainfall
نویسندگان
چکیده
Simulating orographic rainfall with a limited-area, non-hydrostatic atmospheric model under idealized forcing A. Pathirana, S. Herath, and T. Yamada Environment and Sustainable Development Programme, United Nations University, Tokyo, Japan Department of Civil Engineering, Chuo University, Tokyo, Japan Received: 26 July 2004 – Accepted: 13 August 2004 – Published: 22 September 2004 Correspondence to: A. Pathirana ([email protected])
منابع مشابه
Simulating orographic rainfall with a limited-area, non-hydrostatic atmospheric model under idealized forcing
A modified version of an operational 3dimensional, non-hydrostatic, limited-area atmospheric model (MM5) was used to perform high-resolution, idealized simulations of the interaction of an infinitely long single ridge with a steady, lateral large-scale wind field. The effect of different mountain ridge dimensions, wind speeds and patterns and moisture profiles on the quantity and distribution o...
متن کاملRain on small tropical islands
[1] A high‐resolution rainfall climatology based on observations from the Tropical Rainfall Measuring Mission’s Precipitation Radar (PR) instrument is used to evaluate the influence of small tropical islands on climatological rainfall. Islands with areas between one hundred and several thousand km are considered in both the Indo‐Pacific Maritime Continent and Caribbean regions. Annual mean clim...
متن کاملOrographic barriers, high-resolution TRMM rainfall, and relief variations along the eastern Andes
[1] Quantifying the degree to which tectonic and erosive processes shape landscapes is key to understanding the evolution of tectonically active mountain belts. Here we explore the interplay of these two processes along the humid, eastern flank of the South American Andes. We use high-resolution Tropical Rainfall Measurement Mission (TRMM) and SRTM data to characterize elevation, relief, and hi...
متن کاملA Dynamical Model of Orographic Rainfall
A dynamical model for orographic rainfall with particular reference to the Western Ghats is presented. The model assumes a saturated atmosphere with pseudo-adiabatic lapse rate and is based on linearized equations. The rainfall, as computed from the theoretical model, is in good agreement, both in intensity and in distribution, with the observed rainfall on the windward side of the mountain. Th...
متن کاملAnalysis of extreme daily rainfall in southeast Asia with a gridded daily rainfall data set
The objective of this study is to estimate the daily extreme precipitation distribution in an Asian monsoon region considering orographic precipitation in mountainous areas. For this purpose, the APHRODITE data set and precipitation observations from 150 raingauges throughout Thailand were used as the main input. First, a bias-correction for underestimated precipitation in the APHRODITE data se...
متن کامل