Meteorological Applications

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The impact of radar and raingauge sampling errors when calibrating a weather radar
Meteorological Applications - Tập 3 Số 1 - Trang 43-52 - 1996
Alan Seed, John Nicol, G. L. Austin, C. D. Stow, Stuart Bradley
AbstractThis paper investigates the impact of sampling errors on the estimation of the parameters of the relation Z = aRb used in the measurement of rainfall (R) from radar reflectivity (Z). Simulation results show that, at levels of sampling errors likely to be observed in real data sets, of the order 100 gauge and radar observation pairs are ...... hiện toàn bộ
The spatial and temporal sampling errors inherent in low resolution radar estimates of rainfall
Meteorological Applications - Tập 18 Số 3 - Trang 354-360 - 2011
P. E. Shucksmith, L. Sutherland‐Stacey, G. L. Austin
AbstractThe errors introduced into radar estimates of rainfall by making observations at spatial and temporal resolutions that are coarse compared with precipitation systems' characteristic length and time scales are explored in this study. High resolution (200 m, 50 s) X‐band radar data from 48 mid‐latitude precipitation events are downgraded progressively in spat...... hiện toàn bộ
Crop evapotranspiration assessment under climate change in the Pannonian basin during 1991–2050
Meteorological Applications - Tập 24 Số 1 - Trang 84-91 - 2017
Mărgărit‐Mircea Nistor, Sorin Cheval, Alessandro F. Gualtieri, Alexandru Dumitrescu, Vanessa Botan, Alex Berni, Gheorghe-Gavrilă Hognogi, I. A. Irimuș, Cosmin G. Porumb‐Ghiurco
ABSTRACTThe impact of climate on crop evapotranspiration (ETc) was assessed in the Pannonian basin for the present (1991–2020) and future (2021–2050). Annual temperature, annual precipitation and monthly potential evapotranspiration are the main climate data used in the present study. The European land cover database was used for the spatial re...... hiện toàn bộ
Validation of remote-sensing precipitation products for Angola
Meteorological Applications - Tập 22 Số 3 - Trang 395-409 - 2015
Sandra Pombo, Rodrigo Proença de Oliveira, André Mendes
Assessing the spatial and temporal variation in the skill of precipitation forecasts from an NWP model
Meteorological Applications - Tập 15 Số 1 - Trang 163-169 - 2008
Nigel Roberts
AbstractIt is becoming increasingly important to be able to verify the spatial accuracy of precipitation forecasts, especially with the advent of high‐resolution numerical weather prediction (NWP) models. In this article, the fractions skill score (FSS) approach has been used to perform a scale‐selective evaluation of precipitation forecasts during 2003 from the Me...... hiện toàn bộ
Current issues in wind energy meteorology
Meteorological Applications - Tập 21 Số 4 - Trang 803-819 - 2014
Stefan Emeis
ABSTRACTThis review discusses some of the current issues in wind energy meteorology from the viewpoint of a meteorologist. The focus is on four major subjects: (1) the wind potential, (2) the influence of major terrain inhomogeneities on this wind potential, (3) diurnal wind variations and (4) the impact of wind turbines and wind parks on the flow. The wind potenti...... hiện toàn bộ
A significant wind shear event leading to aircraft diversion at the Hong Kong international airport
Meteorological Applications - Tập 19 Số 1 - Trang 10-16 - 2012
Pak Wai Chan
AbstractA significant wind shear event occurred in the early morning of 27 December 2009 at the Hong Kong International Airport (HKIA), leading to the diversion of three aircraft to the airport of Shenzhen (about 39 km to the north‐northwest of HKIA). This paper documents the meteorological observations and predictions for the event. The significant wind shear aros...... hiện toàn bộ
LIDAR observation and numerical simulation of vortex/wave shedding at the Eastern Runway Corridor of the Hong Kong International Airport
Meteorological Applications - Tập 23 Số 3 - Trang 379-388 - 2016
Lei Li, Pak Wai Chan
ABSTRACTVortex/wave shedding is sometimes observed in the Hong Kong International Airport (HKIA) region by such sophisticated instruments as Doppler LIght Detection And Ranging (LIDAR) systems. During the past three years several vortex/wave s...... hiện toàn bộ
Observation and numerical simulation of an event of vortex/wave shedding from a mountain near the Hong Kong International Airport
Meteorological Applications - Tập 19 Số 3 - Trang 371-384 - 2012
Pak Wai Chan
AbstractIn the evening of 11 April 2011, vortex/wave shedding from a mountain to the south of the Hong Kong International Airport (HKIA) appeared to occur following the establishment of fresh to strong easterly airflow in Hong Kong. This paper documents the observations by the various meteorological instruments of the event and discusses the possibility of forecast...... hiện toàn bộ
Measurement of turbulence intensity profile by a mini‐sodar
Meteorological Applications - Tập 15 Số 2 - Trang 249-258 - 2008
Pak Wai Chan
AbstractLow‐level turbulence can bring about rapid bumps and jolts to an aircraft. In severe turbulence, the aircraft may suffer momentary loss of control. In accordance with the practice of the International Civil Aviation Organization (ICAO), turbulence intensity is expressed in terms of the cube root of the eddy dissipation rate (EDR). Measurement of the EDR is ...... hiện toàn bộ
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