@article{fdi:010064143, title = {{E}valuation of six high-resolution satellite and ground-based precipitation products over {M}alaysia}, author = {{T}an, {M}. {L}. and {I}brahim, {A}. and {D}uan, {Z}. and {C}racknell, {A}. {P}. and {C}haplot, {V}incent}, editor = {}, language = {{ENG}}, abstract = {{S}atellite precipitation products ({SPP}s) potentially constitute an alternative to sparse rain gauge networks for assessing the spatial distribution of precipitation. {H}owever, applications of these products are still limited due to the lack of robust quality assessment. {T}his study compares daily, monthly, seasonal, and annual rainfall amount at 342 rain gauges over {M}alaysia to estimations using five {SPP}s (3{B}42{RT}, 3{B}42{V}7, {GPCP}-1{DD}, {PERSIANN}-{CDR}, and {CMORPH}) and a ground-based precipitation product ({APHRODITE}). {T}he performance of the precipitation products was evaluated from 2003 to 2007 using continuous ({RMSE}, {R}-2, {ME}, {MAE}, and {RB}) and categorical ({ACC}, {POD}, {FAR}, {CSI}, and {HSS}) statistical approaches. {O}verall, 3{B}42{V}7 and {APHRODITE} performed the best, while the worst performance was shown by {GPCP}-1{DD}. 3{B}42{RT}, 3{B}42{V}7, and {PERSIANN}-{CDR} slightly overestimated observed precipitation by 2%, 4.7%, and 2.1%, respectively. {B}y contrast, {APHRODITE} and {CMORPH} significantly underestimated precipitations by 19.7% and 13.2%, respectively, whereas {GPCP}-1{DD} only slightly underestimated by 2.8%. {A}ll six precipitation products performed better in the northeast monsoon than in the southwest monsoon. {T}he better performances occurred in eastern and southern {P}eninsular {M}alaysia and in the north of {E}ast {M}alaysia, which receives higher rainfall during the northeast monsoon, whereas poor performances occurred in the western and dryer {P}eninsular {M}alaysia. {A}ll precipitation products underestimated the no/tiny (<1 mm/day) and extreme (>= 20 mm/day) rainfall events, while they overestimated low (1-20 mm/day) rainfall events. 3{B}42{RT} and 3{B}42{V}7 showed the best ability to detect precipitation amounts with the highest {HSS} value (0.36). {P}recipitations during flood events such as those which occurred in late 2006 and early 2007 were estimated the best by 3{B}42{RT} and 3{B}42{V}7, as shown by an {R}-2 value ranging from 0.49 to 0.88 and 0.52 to 0.86, respectively. {T}hese results on {SPP}s' uncertainties and their potential controls might allow sensor and algorithm developers to deliver better products for improved rainfall estimation and thus improved watermanagement.}, keywords = {{MALAISIE}}, booktitle = {}, journal = {{R}emote {S}ensing}, volume = {7}, numero = {2}, pages = {1504--1528}, ISSN = {2072-4292}, year = {2015}, DOI = {10.3390/rs70201504}, URL = {https://www.documentation.ird.fr/hor/fdi:010064143}, }