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Precipitation attribution distance
ID Skok, Gregor (Avtor)

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Izvleček
Precipitation is one of the most important meteorological parameters and is notoriously difficult to measure, predict, and also to verify. Distance measures are one of the five classes of spatial verification metrics that try to address the problems of traditionally used non-spatial methods (which only compare values at collocated grid points). Distance measures provide an estimate of spatial distance between the events in the two fields, which is relatively easy to interpret and understand. Our goal was to develop a new distance measure for precipitation that would not require thresholding and provide meaningful results that would not be too inconsistent with subjective forecast evaluation. At the same time, it would be computationally fast and numerically stable and could be used with fields provided on irregular grids. The new metric is called the Precipitation Attribution Distance or PAD and is based on a random nearest-neighbor attribution concept - it works by sequentially attributing randomly selected precipitation in one field to the closest precipitation in the other and is nondeterministic. We analyzed the new metric’s behavior in many idealized and real-world situations and compared it with the behavior of existing distance metrics.

Jezik:Angleški jezik
Ključne besede:meteorology, precipitation, verification, precipitation verification, spatial verification methods, distance metrics
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FMF - Fakulteta za matematiko in fiziko
Status publikacije:Objavljeno
Različica publikacije:Objavljena publikacija
Leto izida:2023
Št. strani:15 str.
Številčenje:Vol. 295, art. 106998
PID:20.500.12556/RUL-152830 Povezava se odpre v novem oknu
UDK:551.577
ISSN pri članku:0169-8095
DOI:10.1016/j.atmosres.2023.106998 Povezava se odpre v novem oknu
COBISS.SI-ID:164023811 Povezava se odpre v novem oknu
Datum objave v RUL:08.12.2023
Število ogledov:358
Število prenosov:21
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Gradivo je del revije

Naslov:Atmospheric research
Skrajšan naslov:Atmos. res.
Založnik:Elsevier
ISSN:0169-8095
COBISS.SI-ID:26715136 Povezava se odpre v novem oknu

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:meteorologija, padavine, verifikacija

Projekti

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P1-0188
Naslov:Astrofizika in fizika atmosfere

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