نتایج جستجو برای: regional modeling

تعداد نتایج: 587367  

Journal: :Journal of regional science 1989
T A Knapp P E Graves

"The role of location-specific amenities in human migration decisions, and subsequently regional development, is explored. A framework is developed which motivates a new assessment of existing alternative models of regional development, indicating the need for additional modeling efforts which focus upon amenities as critical elements in such analyses. The approach hinges upon the notion that...

Journal: :Bulletin of the American Meteorological Society 2022

© 2022 American Meteorological Society. For information regarding reuse of this content and general copyright information, consult the AMS Copyright Policy (www.ametsoc.org/PUBSReuseLicenses). This article is licensed under a Creative Commons Attribution 4.0 license (http://creativecommons.org/licenses/by/4.0/). Corresponding author: Hanna Lee, [email protected]

Journal: :international journal of environmental research 2011
a. kavian y. fathollah nejad m. habibnejad k. soleimani

there is a need to analyze and map rainfall erosivity to assess soil erosion at the regional scale. the objectives of this study were to develop a regional model to estimate seasonal erosivity from seasonal rainfall data and to study temporal and spatial distribution of rainfall erosivity for the gorganrood drainage basin in the northeast of iran. six gauging stations with a high temporal reso...

Journal: :international journal of environmental research 0
c. donmez department of landscape architecture, university of cukurova, turkey s. berberoglu department of landscape architecture, university of cukurova, turkey a. cilek department of landscape architecture, university of cukurova, turkey f. evrendilek department of environmental engineering, university of abant izzet baysal, turkey

the present study modeled how future terrestrial net primary productivity (npp) changes spatiotemporally for the eastern mediterranean biomes of turkey using carnegie ames stanford approach (casa) model, moderate resolution imaging spectroradiometer (modis) data, the four regional climate change scenarios (rcp 2.6, rcp 4.5, rcp 6.0 and rcp 8.5), and such ancillary data as percent tree cover, la...

Journal: :international journal of civil engineering 0
m. effati dept. of geomatics eng., university of tehran, tehran, 14665-331, iran m. a. rajabi dept. of geomatics eng., university of tehran, tehran, 14665-331, iran f. samadzadegan dept. of geomatics eng., university of tehran, tehran, 14665-331, iran sh. shabani transportation research institute. ministry of road and transportation, tehran, iran

road transportation by way of automobiles is a very convenient means of transportation. today, the most detrimental consequence of developing transportation systems in a country is traffic accident that places a huge financial burden on society. this paper investigates the role of information systems in transportation safety that leads to improved planning and operation of the transportation sy...

2015
He Xin

In order to take the reduction of pollution emissions as the target, this paper generates the model parameters based on the input-output relationship between material flow and energy flow of regional inter-industry, and builds the model of energy efficiency optimization of industrial park with the distribution of regional industry structure as the control variable. The modeling process is discu...

2010

The Bureau of Economic Analysis (BEA) in the US Department of Commerce makes regional economic impact multipliers available through its Regional Input‐Output Modeling System (RIMS II). These multipliers allow users to estimate the extent to which a one‐time or a sustained change in economic activity will be supplied by industries within a region and, consequently, how this change in economy act...

2010
Mihaela Muresan

The paper addresses specific issues of the local governance in its transition to the knowledge society and the web based processes. The innovative e-Governance approach creates a new regional framework for changing the process of the sustainable strategy design and implementation, from a system-oriented to an actor-driven one, focusing on the development of two ways online channels for supporti...

2013
L. M. Fry T. S. Hunter M. S. Phanikumar V. Fortin A. D. Gronewold

[1] One approach to regional water balance modeling is to constrain rainfall-runoff models with a synthetic regionalized hydrologic response. For example, the Large Basin Runoff Model (LBRM), a cornerstone of hydrologic forecasting in the Laurentian Great Lakes basin, was calibrated to a synthetic discharge record resulting from a drainage area ratio method (ARM) for extrapolating beyond gaged ...

Journal: Desert 2015

Parameters such as future precipitation, temperature, snowfall, and runoff were modeled using PRECIS regionalclimate modeling system in Iran with the horizontal resolutions of 0.44×0.44°C in latitude and longitude under SRESA2 and B2 scenarios. The dataset was based on HadAM3p during the periods of 1961-1990 and 2071-2100. Theoverall precipitation error of the model in the period of 1961-1990 w...

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