Received fxm: ************************************************************************ Received 20140613: NCO benefits my research in dynamic global vegetation models and climate change research by allowing me to easily modify and analyze climate data and vegetation simulation data. -- John B. Kim PNW Research Station & WWETAC, US Forest Service jbkim@fs.fed.us 541-750-7287 (o) 541-286-5546 (m) ************************************************************************ Received 20120720: I installed NCO in Windows 7 and have crosschequed the results of ncra with ArcGIS, and they match perfectly. NCO Works like a champ. it takes only a fraction of a second to average over 10 million records (argis takes over 10 minutes). I am curious how can this be even possible but what it matters is that the results are correct. Thanks, Camilo Mora ************************************************************************ Received 20110325: Dear Prof. Zender, I am composing this email to express my strongest endorsement for the NCO software and its development. I am an assistant professor in Department of Atmospheric, Oceanic, and Space Sciences at the University of Michigan. My research area is in understanding various issues associated with radiative transfer, water vapor, clouds, and their interactions via diagnosis analysis of observations and GCM outputs. I have been using NCO operators since 2006. As my group and I have to constantly deal with large amount of data sets of reanalysis, GCM simualtions, and satellite data products, we benefit enormously from using NCO. It saves a great amount of our time in programming and preprocessing data, and it greatly simplifies such coding tasks. For our day-to-day research work, NCO software is as important as Matlab, Fortran, and Perl. It has already become an inseparable and critical component in data analysis and our research. And I know many researchers share the same view with me regarding the technical importance of NCO. Therefore, I endorse the development of NCO without any reservation. Sincerely, Xianglei Huang ------------------------------------------------------------------- Xianglei Huang Assistant Professor Department of Atmospheric, Oceanic, and Space Sciences College of Engineering, University of Michigan 2455 Hayward St, Ann Arbor, MI 48109 Phone: 734-936-0491 FAX: 734-936-0503 xianglei@umich.edu ------------------------------------------------------------------- ************************************************************************ Received 20040809: Prof Zender, I'm writing in support of the recent NSF proposal [1] to improve the "NCO" suite of NetCDF/HDF data analysis tools. Our group: http://paoc.mit.edu/cmi/ http://mitgcm.org/ and many of our collaborators are steadily moving toward the use of both hierarchical data formats (such as NetCDF and HDF) and multi-terabyte data sets. Under these circumstances, tools such as NCO become increasingly useful and important for our work. I am impressed with the capabilities offered by current NCO releases and would very much like to see it extended (per the above proposal) to take fuller advantage of parallel systems. I believe that such a free, open, and extensible set of parallel analysis tools would be an important resource for the GFD community. While nearly all ocean and atmospheric models have evolved to take advantage of parallel execution, it seems that many of the data analysis tools have lagged. Thus, for many researchers, it is the pre- and post-processing steps that consume the most time and can be the greatest barrier to experimental progress. Thus, I look forward to parallel versions of the NCO tools that will take better advantage of both our SMP (threaded) and cluster (MPI-based) computing resources. Best regards, Ed Hill [1] SEI(GEO): Scientific Data Operators Optimized for Distributed Interactive and Batch Analysis of Tera-Scale Geophysical Data, Dr. Charles S. Zender, Department of Earth System Science, University of California at Irvine -- Edward H. Hill III, PhD office: MIT Dept. of EAPS; Rm 54-1424; 77 Massachusetts Ave. Cambridge, MA 02139-4307 emails: eh3@mit.edu ed@eh3.com URLs: http://web.mit.edu/eh3/ http://eh3.com/ phone: 617-253-0098 fax: 617-253-4464 ************************************************************************ Received 20040611: The best netCDF processing software I have ever used. NCO is indispensible in my work. Good luck! Haijun -------------------------------------------- Haijun Yang, Associate Professor Department of Atmospheric Science School of Physics, Peking University 209 Chengfu Road, Beijing, China 100871 Tel: 86-10-62767436 Fax: 86-10-62751094 Email: hjyang@pku.edu.cn -------------------------------------------- ************************************************************************ Received 20040430: I find the NCO operators to be indispensable in my work, and many of my colleagues would say the same. Their usefulness is perhaps best captured by the surprise of some people to whom I have introduced NCO when they learned that it is a separate entity from the NETCDF library. The developers of NCO have always replied promptly to my help requests and have on occasion even added new functionality that I had requested. In my opinion, the advantages of NCO compared to mathematically more comprehensive packages reading NETCDF files are that it is fast, very concise, free of charge, runs on almost any platform, and can be easily integrated into shell or other kinds of scripts. And with the evolution of the ncap utility, the capabilities of NCO are becoming sufficient for tasks of greater numerical complexity. ------------------------------------------------------------ Dr. Maxwell Kelley Laboratoire des Sciences du Climat et de l'Environnement L'Orme des Merisiers CEA Saclay 91191 Gif sur Yvette cedex mkelley@lsce.saclay.cea.fr France +33 1 69 08 27 02 ------------------------------------------------------------