نتایج جستجو برای: hourly time scale

تعداد نتایج: 2347802  

Journal: :Geophysical Research Letters 2022

This study evaluates the validity of Integrated Multisatellite Retrievals for Global Precipitation Measurement (IMERG) in scaling extreme precipitation with temperature (termed factor, SF). To this end, we use Hadley-Integrated Surface Database (HadISD) data set at 1-hourly, 6-hourly, and 24-hourly scales between 2000 2020 over contiguous United States (CONUS) as a reference set. Our findings r...

Journal: :Remote Sensing 2017
Yandy G. Mayor Iryna Tereshchenko Mariam Fonseca-Hernández Diego A. Pantoja Jorge M. Montes

This study evaluates the precipitation product of the Integrated Multi-satellitE Retrievals for Global Precipitation Measurement (IMERG) over the Mexican region during the period between April 2014 and October 2015 using three different time scales for cumulative precipitation (hourly, daily and seasonal). Also, the IMERG data have been analyzed as a function of elevation given the rain gauges ...

Journal: :Journal of Software Engineering and Applications 2010

Journal: :Computational Statistics & Data Analysis 2020

2012
Michael J. Dvorak Eric D. Stoutenburg Cristina L. Archer Willett Kempton Mark Z. Jacobson

[1] This paper identifies the location of an “ideal” offshore wind energy (OWE) grid on the U.S. East Coast that would (1) provide the highest overall and peak-time summer capacity factor, (2) use bottom-mounted turbine foundations (depth ≤50 m), (3) connect regional transmissions grids from New England to the Mid-Atlantic, and (4) have a smoothed power output, reduced hourly ramp rates and hou...

2014
Takashi Yorifuji Etsuji Suzuki Saori Kashima

BACKGROUND Epidemiological studies have shown adverse effects of short-term exposure to air pollution on respiratory disease outcomes; however, few studies examined this association on an hourly time scale. We evaluated the associations between hourly changes in air pollution and the risk of respiratory disease in the elderly, using the time of the emergency call as the disease onset for each c...

Journal: :JSEA 2010
Athanasios Sfetsos Diamanto Vlachogiannis

The present paper discusses the application of localized linear models for the prediction of hourly PM10 concentration values. The advantages of the proposed approach lies in the clustering of the data based on a common property and the utilization of the target variable during this process, which enables the development of more coherent models. Two alternative localized linear modelling approa...

2016
George B. Shepherd Morgan Cloud

It is ironic that many clients and lawyers now condemn hourly billing. Starting in the 1950s, both groups demanded the switch from fixed-fee billing to hourly billing. This article explains why. Using a new economic model, Professors Cloud and Shepherd show that societal changes, particularly the expansion of pretrial discovery in the 1938 Federal Rules of Civil Procedure, led inevitably to hou...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2015
Paul Y Kerl Wenxian Zhang Juan B Moreno-Cruz Athanasios Nenes Matthew J Realff Armistead G Russell Joel Sokol Valerie M Thomas

Integrating accurate air quality modeling with decision making is hampered by complex atmospheric physics and chemistry and its coupling with atmospheric transport. Existing approaches to model the physics and chemistry accurately lead to significant computational burdens in computing the response of atmospheric concentrations to changes in emissions profiles. By integrating a reduced form of a...

2001
V. Clark Baldwin Phillip M. Dougherty Harold E. Burkhart

Linking models of different scales (e.g., process, tree-stand-ecosystem) is essential for furthering our understanding of stand, climatic, and edaphic effects on tree growth and forest productivity. Moreover, linking existing models that differ in scale and levels of resolution quickly identifies knowledge gaps in information required to scale from one level to another, indentifies firture rese...

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