I am an engineer, hydrologist and environmental scientist.  My strength is a broad background in science, technology and policy.

I write about development and the interface with the natural world. My interests include water treatment technology – everything from the CRAPPER low-cost toilet to ion exchange equipment for recycling acid mine drainage. My hydrological background involves an ongoing interest in global ocean and atmospheric circulation and in hydrodynamic modelling. Environmental science expands that to biogeochemical cycling – the movement of substances through global environments – and to energy technology, economic development, climate policy, environmental risk assessment and environmental law and management.

Robert I Ellison

CV – Robert Ellison

7 Responses to About

  1. In my recent comment – it is the difference between random instrument error and systematic error over 100,000 profiles a year. With such precise instrumentation – individual profiles cannot be that wide of the mark. With such dense coverage – the Argo ‘climatology’ is the most robust available.

    I am really uninterested in what people ‘say’ and I don’t read random posts on WUWT – or anywhere else basically.

  2. Rob, this has nothing to do with climate, but I’ve been alerted that you are a hydrologist and I’d very much appreciate it if you had the time to read my article and make any comments. I’m not looking for detailed comments just a quick check by someone who’s familiar to hydrology to make sure I’m not saying anything which is obviously stupid and/or wrong.

  3. Ragnaar says:

    Paper number 3 here:
    At the pdf, other areas are similar. I am seeing zonal shifting to meridonal and wondering about the global impact. You’ve been posting two maps suggesting zonal and meridonal flow.

  4. Andre says:

    I am a layman who has come across your comments on ‘Climate etc’ – usually in the context of technical arguments that I am unqualified to judge except on the basis that they resemble arguments that would pass muster if they were presented in like fashion in domains that I do know about (or at the very least would qualify as interesting).

    Something that I personally find interesting is the claim that climate modelling is immensely valuable in furthering our understanding of climate, although it does not contribute a jot towards our ability to predict climate. On face value this seems anti-intuitive. An explanation for the layperson of this contradiction would be welcome.

  5. Hello! I could have sworn I’ve been to this website before but after looking at many of the articles I realized it’s new to me.
    Nonetheless, I’m certainly pleased I came across it and I’ll be
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