Regional climate model performance in the Lake Victoria basin
| LEADER | caa a22 4500 | ||
|---|---|---|---|
| 001 | 605473927 | ||
| 003 | CHVBK | ||
| 005 | 20210128100345.0 | ||
| 007 | cr unu---uuuuu | ||
| 008 | 210128e20150301xx s 000 0 eng | ||
| 024 | 7 | 0 | |a 10.1007/s00382-014-2201-x |2 doi |
| 035 | |a (NATIONALLICENCE)springer-10.1007/s00382-014-2201-x | ||
| 245 | 0 | 0 | |a Regional climate model performance in the Lake Victoria basin |h [Elektronische Daten] |c [Karina Williams, Jill Chamberlain, Carlo Buontempo, Caroline Bain] |
| 520 | 3 | |a Lake Victoria, the second largest freshwater lake in the world, plays a crucial role in the hydrology of equatorial eastern Africa. Understanding how climate change may alter rainfall and evaporation patterns is thus of vital importance for the economic development and the livelihood of the region. Regional rainfall distribution appears, up to a large extent, to be controlled by local drivers which may be not well resolved in general circulation model simulations. We investigate the performance over the Lake Victoria basin of an ensemble of UK Met Office Hadley Centre regional climate model (HadRM3P) simulations at 50km, driven by five members of the Hadley Centre global perturbed-physics ensemble (QUMP). This is part of the validation of an ensemble of simulations that has been used to assess the impacts of climate change over the continent over the period 1950-2099. We find that the regional climate model is able to simulate a lake/land breeze over Lake Victoria, which is a significant improvement over the driving global climate model and a vital step towards reproducing precipitation characteristics in the region. The local precipitation correlates well with large-scale processes in the Pacific Ocean and Indian Ocean, which is in agreement with observations. We find that the spatial pattern of precipitation in the region and the diurnal cycle of convection is well represented although the amount of rainfall over the lake appears to be overestimated in most seasons. Reducing the observational uncertainty in precipitation over the lake through future field campaigns would enable this model bias to be better quantified. We conclude that increasing the spatial resolution of the model significantly improves its ability to simulate the current climate of the Lake Victoria basin. We suggest that, despite the higher computational costs, the inclusion of a model which allows two-way interactions between the lake and its surroundings should be seriously considered for any new climate projections for the region. | |
| 540 | |a Crown Copyright, 2014 | ||
| 690 | 7 | |a Lake Victoria |2 nationallicence | |
| 690 | 7 | |a Regional scale modelling |2 nationallicence | |
| 690 | 7 | |a Climate |2 nationallicence | |
| 690 | 7 | |a Perturbed-physics ensemble |2 nationallicence | |
| 690 | 7 | |a Nile basin |2 nationallicence | |
| 700 | 1 | |a Williams |D Karina |u Met Office Hadley Centre, FitzRoy Road, EX1 3PB, Exeter, Devon, UK |4 aut | |
| 700 | 1 | |a Chamberlain |D Jill |u Department of Meteorology, University of Reading, Earley Gate, PO Box 243, RG6 6BB, Reading, UK |4 aut | |
| 700 | 1 | |a Buontempo |D Carlo |u Met Office Hadley Centre, FitzRoy Road, EX1 3PB, Exeter, Devon, UK |4 aut | |
| 700 | 1 | |a Bain |D Caroline |u Met Office Hadley Centre, FitzRoy Road, EX1 3PB, Exeter, Devon, UK |4 aut | |
| 773 | 0 | |t Climate Dynamics |d Springer Berlin Heidelberg |g 44/5-6(2015-03-01), 1699-1713 |x 0930-7575 |q 44:5-6<1699 |1 2015 |2 44 |o 382 | |
| 856 | 4 | 0 | |u https://doi.org/10.1007/s00382-014-2201-x |q text/html |z Onlinezugriff via DOI |
| 898 | |a BK010053 |b XK010053 |c XK010000 | ||
| 900 | 7 | |a Metadata rights reserved |b Springer special CC-BY-NC licence |2 nationallicence | |
| 908 | |D 1 |a research-article |2 jats | ||
| 949 | |B NATIONALLICENCE |F NATIONALLICENCE |b NL-springer | ||
| 950 | |B NATIONALLICENCE |P 856 |E 40 |u https://doi.org/10.1007/s00382-014-2201-x |q text/html |z Onlinezugriff via DOI | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Williams |D Karina |u Met Office Hadley Centre, FitzRoy Road, EX1 3PB, Exeter, Devon, UK |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Chamberlain |D Jill |u Department of Meteorology, University of Reading, Earley Gate, PO Box 243, RG6 6BB, Reading, UK |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Buontempo |D Carlo |u Met Office Hadley Centre, FitzRoy Road, EX1 3PB, Exeter, Devon, UK |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Bain |D Caroline |u Met Office Hadley Centre, FitzRoy Road, EX1 3PB, Exeter, Devon, UK |4 aut | ||
| 950 | |B NATIONALLICENCE |P 773 |E 0- |t Climate Dynamics |d Springer Berlin Heidelberg |g 44/5-6(2015-03-01), 1699-1713 |x 0930-7575 |q 44:5-6<1699 |1 2015 |2 44 |o 382 | ||