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GeoComputation 2009 [chapter]

Yong Xue, Forrest M. Hoffman, Dingsheng Liu
2009 Lecture Notes in Computer Science  
Jianwen Ai et al. in their paper "Grid Workflow Modeling for Remote Sensing Retrieval Service with Tight Coupling" discusses some application cases based on Grid computing for Geo-sciences and the application  ...  Image resampling, which is frequently used in remote sensing processing procedures, is a time-consuming task. Parallel computing is an effective way to speed up  ...  support analysis and discovery in Earth Sciences.  ... 
doi:10.1007/978-3-642-01973-9_38 fatcat:tafxqi442vhqhj2uiw44gidtdm

QuakeSim and the Solid Earth Research Virtual Observatory

Andrea Donnellan, John Rundle, Geoffrey Fox, Dennis McLeod, Lisa Grant, Terry Tullis, Marlon Pierce, Jay Parker, Greg Lyzenga, Robert Granat, Margaret Glasscoe
2006 Pure and Applied Geophysics  
We are developing simulation and analysis tools in order to develop a solid Earth Science framework for understanding and studying active tectonic and earthquake processes.  ...  We are using Web (Grid) service technology to demonstrate the assimilation of multiple distributed data sources (a typical data grid problem) into a major parallel high-performance computing earthquake  ...  Michele Judd has proved invaluable in the management of this project.  ... 
doi:10.1007/s00024-006-0126-y fatcat:w56wxmubpzbgxi3k6qt34mptcy

An IO-efficient parallel implementation of an R2 viewshed algorithm for large terrain maps on a CUDA GPU

Andrej Osterman, Lucas Benedičič, Patrik Ritoša
2014 International Journal of Geographical Information Science  
Thus, to the best of our knowledge, the algorithm presented here is the most efficient viewshed approach, in terms of computational speed, for large data sets.  ...  An implementation of the parallel viewshed algorithm on the Compute Unified Device Architecture (CUDA), which exploits the high parallelism of the graphics processing unit, is presented.  ...  In Zhao et al. (2013) , two parallel algorithms for the viewshed analysis of grid-based terrains were introduced.  ... 
doi:10.1080/13658816.2014.918319 fatcat:skoxwlwndrb4bbi5wc7qhodp54

Next generation framework for aquatic modeling of the Earth System

B. M. Fekete, W. M. Wollheim, D. Wisser, C. J. Vörösmarty
2009 Geoscientific Model Development Discussions  
In its present capabilities NextFrAMES is probably inadequate to implement fully coupled 280 GMDD Earth System models, but future versions with the guidance from Earth System developers might someday eliminate  ...  Earth System model development is becoming an increasingly complex task.  ...  ordinary desktop computers) the need for implementing Earth System model com-5 ponents in a parallel processing environment is inevitable.  ... 
doi:10.5194/gmdd-2-279-2009 fatcat:ypwdntftxvfchpbdtdsexmmp2y

Eight Times Acceleration of Geospatial Data Archiving and Distribution on the Grids

F.Z. Wang, Na Helian, Sining Wu, Yike Guo, D. Yuhui Deng, Lingkui Meng, Wen Zhang, J. Crowncroft, J. Bacon, M.A. Parker
2009 IEEE Transactions on Geoscience and Remote Sensing  
A grid-powered Web Geographical Information Science (GIS)/Web Processing Service (WPS) system has been developed for archiving and distributing large volumes of geospatial data.  ...  of technologies including the one of paralleling the remote file access.  ...  , Enabling Grids for E-sciencE, and the United Kingdom's National Grid Service.  ... 
doi:10.1109/tgrs.2008.2010055 fatcat:gbxcke7ayvemrbzaubb67j37yu

GIS Applications in Meteorology, or Adventures in a Parallel Universe

Scott T. Shipley
2005 Bulletin of The American Meteorological Society - (BAMS)  
(Traditional geography departments are also behind in GIS education, many reserving GIS topics for graduate study, even though Earth system science programs in secondary schools are using GIS.) 3) Web-enabled  ...  of software maintenance and documentation. or Adventures in a Parallel Universe BY SCOTT T.  ... 
doi:10.1175/bams-86-2-171 fatcat:gc5yc6rqergn5lw2ipkljgorau

Coupling technologies for Earth System Modelling

S. Valcke, V. Balaji, A. Craig, C. DeLuca, R. Dunlap, R. W. Ford, R. Jacob, J. Larson, R. O'Kuinghttons, G. D. Riley, M. Vertenstein
2012 Geoscientific Model Development  
Earth System.  ...  </strong> This paper presents a review of the software currently used in climate modelling in general and in CMIP5 in particular to couple the numerical codes representing the different components of the  ...  This paper is based on the outcome of the Workshop on "Coupling Technologies for Earth System Modelling: Today and Tomorrow" (Valcke and Dunlap, 2011) organised in CERFACS in 2010.  ... 
doi:10.5194/gmd-5-1589-2012 fatcat:bejpguuxhnbo5ekbijmzzok3jq


J. Wang, C. Ma, Z. Zhang, Y. Wang, M. Peng, W. Wan, X. Feng, X. Wang, X. He, Y. You
2019 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
</strong> As China's first unmanned spacecraft to collect lunar surface samples and return them to Earth, the Chang'E-5 detector is a crucial probe that will complete lunar surface sampling in China's  ...  The first three values were calculated based on a digital elevation model (DEM) of the landing area generated using stereo images.  ...  ACKNOWLEDGEMENTS This study was supported in part by National Natural Science Foundation of China under Grants 41771488 and 11773004.  ... 
doi:10.5194/isprs-archives-xlii-2-w13-1463-2019 fatcat:ygfoerp5azca5h2ufofq5uwvqm

The architecture of the earth system modeling framework

C. Hill, C. DeLuca, Balaji, M. Suarez, A. Da Silva
2004 Computing in science & engineering (Print)  
ease of use in Earth science applications.  ...  The project is a multi-institutional, crossdisciplinary collaboration that includes many of the largest Earth science modeling centers in the US; the NASA Computational Technologies Program is funding  ...  Existing codes and the ESMF parallelism model. Many major parallel Earth science codes use MPI.  ... 
doi:10.1109/mcise.2004.1255817 fatcat:csh7blyygzhcbniimvztdhghfm

The Earth System Modeling Framework [chapter]

Cecelia DeLuca, V. Balaji
2013 Earth System Modelling - Volume 1  
Earth modeling centers, is developing a robust, flexible set of software tools to enhance ease of use, performance portability, interoperability, and reuse in climate, numerical weather prediction, and  ...  The Earth System Modeling Framework (ESMF) project, which consists of Earth scientists and computational experts from major U.S.  ...  and Performance of Grand Challenge Applications in the Earth, Space, Life and Microgravity Sciences.  ... 
doi:10.1007/978-3-642-36597-3_5 fatcat:wvyhso22knds7pbo7pr7yk6bwa

GGDML: Icosahedral Models Language Extensions

Nabeeh Jumah
2017 Journal of Computer Science Technology Updates  
The introduced DSL (GGDML-General Grid Definition and Manipulation Language) hides optimization details like memory layout.  ...  The collaboration with the scientists from the weather/climate sciences enabled agreedupon extensions.  ...  Data Definition and Manipulation Statements to declare variables defined over a grid, and manipulating them are provided in GGDML.  ... 
doi:10.15379/2410-2938.2017.04.01.01 fatcat:fsmqv6drn5c53nznty336gtwna

The Implementation of the U.S. High Performance Computing and Communications Program [chapter]

Christian Bischof, Horst D. Simon
1992 Informatik aktuell  
The material in Section 4 has been originally developed by him and is reprinted from [22] .  ...  NASA is planning to .develop algorithm and architecture test beds capable of fully utilizing massively parallel concepts and increasing end-to-end performance, and .Earth and Space Sciences (ESS) -multi-disciplinary  ...  In a proof-of-concept mode such a calculation may be carried out only once as a "heroic effort".  ... 
doi:10.1007/978-3-642-77661-8_16 dblp:conf/supercomputer/BischofS92 fatcat:bnsel2voxrgu3bj3a46fu2fsiq

The CISM code coupling strategy

C.C. Goodrich, A.L. Sussman, J.G. Lyon, M.A. Shay, P.A. Cassak
2004 Journal of Atmospheric and Solar-Terrestrial Physics  
The NASA Living With a Star program shares both the scientific goals and code coupling challenges of CISM, and is equally involved in the coupling strategy and development we present. r  ...  Modeling (CISM) depends on the production of an everimproving series of comprehensive scientific models describing the Solar Terrestrial environment from the solar surface to the upper atmosphere of earth  ...  Acknowledgements This material is based upon work supported by CISM, which is funded by the STC Program of the National Science Foundation under Agreement Number ATM-0120950, and the National Aeronautics  ... 
doi:10.1016/j.jastp.2004.04.010 fatcat:52a7prsljjeutigk3bwar4dt2i

Addressing the big-earth-data variety challenge with the hierarchical triangular mesh

Michael L. Rilee, Kwo-Sen Kuo, Thomas Clune, Amidu Oloso, Paul G. Brown, Hongfeng Yu
2016 2016 IEEE International Conference on Big Data (Big Data)  
The more important challenge in achieving optimal value with a Big Data solution for Earth Science (ES) data analysis, however, is being able to achieve good scalability with variety.  ...  We observe that, in the absence of variety, the volume challenge of Big Data is relatively easily addressable with parallel processing.  ...  As an aside, the triangles used in the HTM, being quasi-equiareal, do not suffer the extreme singularities and distortions of the popular lat-lon grids, yet we plan to take advantage of the Earth Science  ... 
doi:10.1109/bigdata.2016.7840700 dblp:conf/bigdataconf/RileeKCOBY16 fatcat:7tdpg4y4xbe23jxgw65ldjegqu

Multithreaded Or Thread Safe Oasis Version Including Performance Optimisations To Adapt To Many‐Core Architectures (D2.3)

Sophie Valcke, Laure Coquart, Anthony Craig, Gabriel Jonville, Eric Maisonnave, Andrea Piacentini
2018 Zenodo  
The parallelisation introduced in the SCRIP library for the mapping weight calculation allows a reduction in the weight calculation time of 2 to 3 orders of magnitude for high‐resolution grids.  ...  The developments realised in OASIS3‐MCT to improve its parallel efficiency are detailed. These will be available in the next release OASIS3‐MCT_4.0 planned for spring 2018.  ...  The results obtained here show a reduction in the weight calculation time of 2 to 3 orders of magnitude with the new parallel SCRIP library for high-resolution grids.  ... 
doi:10.5281/zenodo.1226893 fatcat:spxpcmnq7jdwfeedsslro2nvou
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