Tuesday, December 27, 2011

1211491089.txt

From: Phil Jones <p.jones@uea.ac.uk>
To: "Darch, Geoff J" <Geoff.Darch@atkinsglobal.com>
Subject: RE: Probabilistic information to inform EA decision making - Draft Bid
Date: Thu May 22 17:18:09 2008

Geoff,
Hopefully this will do. No narrative.
Off home now. I'll look through anything you send tomorrow.
Exam scripts to mark tonight.
Cheers
Phil
At 17:00 22/05/2008, you wrote:

Phil,

The only CV we have for you is a few years old. Can you send a more up to date one (6
pages max).

Thanks,

Geoff
___________________________________________________________________________________

From: Phil Jones [[1]mailto:p.jones@uea.ac.uk]
Sent: 22 May 2008 13:07
To: Darch, Geoff J
Cc: Clare Goodess; t.osborn@uea.ac.uk; McSweeney, Robert
Subject: RE: Probabilistic information to inform EA decision making - Draft Bid
Geoff, Rob,
Will you be sending another version around at some time?
I can't recall where the idea of two sets of costings came from.
Here are some more thoughts
Related EA work
Drought work
Jones, P.D., Leadbetter, A., Osborn, T.J. and Bloomfield, J.P., 2006: The impact of
climate change on severe droughts: River-flow reconstructions and implied groundwater
levels. Science Report: SC040068/SR2, Environment Agency, 58pp.

Wade, S., Jones, P.D. and Osborn, T.J., 2006: The impact of climate change on severe
droughts: Implications for decision making. Science Report: SC040068/SR3, Environment
Agency, 86pp.
These two bits of work related to historic records of drought on the Eden and the Ouse
(Anglian).
Flows were reconstructed on a monthly basis back to 1800, and the disaggregated to
daily
using months with similar monthly flows in the modern record from the 1960s to the near
present. The 200 years of daily flows were then put through water resource system
models
in the two areas to see how often drought restrictions occurred. The historic record
was then
perturbed for the future time slices using three different GCMs. The important aspect
of this
work is that for both regions the perturbed futures were no worse than the historic
droughts.
On the Eden some recent droughts were the most severe and on the Ouse they were earlier
in the 20th and in the 19th century. So, for all work, it is important to get a better
handle on
the scale of natural variability within each region.
Task 6 should not just consider the instrumental observations that UKCIP08 has looked
at (i.e. since 1961).
This period will very likely cover all temperature extremes (if we forget the very cold
ones), but
it will be inadequate for rainfall (changes in daily, monthly and seasonal extremes).
The EA
work (above) showed a framework for dealing with the issue with respect to drought. The
longer
daily precipitation record has been looked at by Tim Osborn and Douglas Maraun (see
attached
pdf). Task emphasizes floods exclusively - maybe this is their responsibility and they
leave
droughts up to the companies.
One aspect that we could develop within Task 6 is a simple soil moisture accounting
model
using rainfall and PET and a measure of soil amount. The results from this could then
be
linked with the heavy rainfall to determine different impacts depending on antecedent
conditions and time of year.
CRU's work on Task 7
We will be able to use the 11 RCMs on which the whole of UKCIP08 are based - available
through LINK. MOHC have used emulation of these to build up distributions. An important
aspect
is to see for seasons and variables how the 11 span the probability domain of all
the emulations (where do they sit in the pdfs).
Other GCMs - this should really be RCMs. In the ENSEMBLES project we are comparing
trends in reality with trends from ERA-40-forced runs of 15 different RCMs across
Europe.
This will be able to show that HadRM3 is within the range of the other RCMs for
measures
of extremes in temperatures and daily and 5-day precipitation amounts. The measures
here
are trends (seasonal and annual) over the period from 1961-2000.
This will also show their ability to represent current climate (61-00) not just for the
means
and trends, but some extreme measures and their trends. This is also past variability
as well, but I suspect they are meaning further back. We will be able to use a HadCM3
simulation with historic forcing since 1500.
Back to other work. CRANIUM is the one to refer to. BETWIXT led to CRANIUM. The
other thing to add in somewhere is that the UKCIP08 WG came from EARWIG, so
attaching that paper as well. There is nothing else yet.
Jones, PD, Harpham, C and Kilsby, CK, 2008: Perturbing a weather generator using
factors
developed from RCM simulations. Int J. Climatol (not yet submitted).
This will get submitted. It shows that the way we are perturbing the WG for UKCIP08
works.
We do this by fitting the WG to the model present. We then perturb by using differences
between model future (2080s) and model control. These perturbations are monthly. We
then
run the WG and look at the daily variability in the simulations compared to the model
future at the daily timescale. It works in the sense that the RCM future run is within
the
range the WG simulations.
Whether the RCM future is right is another matter but the WG does what the RCM does.
Hope this helps.
Phil
At 16:56 21/05/2008, Darch, Geoff J wrote:

Phil,

Great. From CRU we need in particular project experience (case studies). At the moment
we have CRANIUM, but other relevant ones would be good e.g. BETWIXT, SKCC, EA Drought
work. Key is those related to probabilistic scenarios, weather generators, working with
users and those with EA or Defra (or CCW) as the client.

Any further thoughts or elaboration of your input would be useful, particularly for Task
7, where it may be best to spell out what you will do.

Do you have any preference for the allocation of days between you, Clare and Tim? Also,
do you want to revise your rates (for reference Jim Hall is in at �950, Chris Kilsby at
�750)? They should apply until the end of the contract i.e. December 2009 and we are
asked whether any discounts are available e.g. over and above a certain number of days,
which could be worked in if you increased your rates. However, this is entirely up to
you!

We are still waiting on input from Oxford, Newcastle and Futerra - all promised
imminently. It will be a busy day tomorrow!

Many thanks,

Geoff
___________________________________________________________________________________

From: Phil Jones [ [2]mailto:p.jones@uea.ac.uk]
Sent: 21 May 2008 16:16
To: McSweeney, Robert
Cc: Clare Goodess; t.osborn@uea.ac.uk; Darch, Geoff J
Subject: Re: Probabilistic information to inform EA decision making - Draft Bid
Geoff, Rob,
I can do some work tomorrow. Can you be a little more specific?
It looks as though you need a lot. Have you got anything from anyone else?
I assume this still has to be all off by the end of Friday.
Cheers
Phil
At 14:15 20/05/2008, McSweeney, Robert wrote:

All,
Attached is an outline draft of the bid. It sets out the information we need to include,
some of which is already in place.
Please could you take a look at it and forward any of the outstanding information to
Geoff and me, such as
- CVs and pen portraits if you haven't already sent them (NB, CVs are in the Appendix
and aren't in the attached document)
- Any relevant (corporate) project experience, case studies, etc
- Thoughts and input to the methodology section (NB, each task has been given a lead
group or groups)
- General comments and suggestions
Please send comments and information as soon as you have the opportunity, the deadline
is rapidly approaching!
Many thanks,
Rob
<<EA Tender_Draft.doc>>
__________________________________________________
Rob McSweeney
Assistant Scientist
MEng (Hons) MSc
Water and Environment (Water Resources Management)
ATKINS
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The ultimate parent company of the Atkins Group is WS Atkins plc. Registered in England No.
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wholly owned Atkins Group companies registered in the United Kingdom can be found at:
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Prof. Phil Jones
Climatic Research Unit Telephone +44 (0) 1603 592090
School of Environmental Sciences Fax +44 (0) 1603 507784
University of East Anglia
Norwich Email p.jones@uea.ac.uk
NR4 7TJ
UK
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legally binding.
The ultimate parent company of the Atkins Group is WS Atkins plc. Registered in England No.
1885586. Registered Office Woodcote Grove, Ashley Road, Epsom, Surrey KT18 5BW. A list of
wholly owned Atkins Group companies registered in the United Kingdom can be found at:
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P Consider the environment. Please don't print this e-mail unless you really need to.

Prof. Phil Jones
Climatic Research Unit Telephone +44 (0) 1603 592090
School of Environmental Sciences Fax +44 (0) 1603 507784
University of East Anglia
Norwich Email p.jones@uea.ac.uk
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References

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2. mailto:p.jones@uea.ac.uk
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