Lucien Von Gunten:		Reminder:	If you are not "officially" representing a regional group or trans-regional project, you will be listed as "participants", i.e. with no audio/video enabled.If you want to say something, you can use the "raise hand" function (top of the screen) and I can turn your audio and video on for you to talk.
 Wendy Gross:			Hello Everyone!
 Julien Emile-Geay:			you mean stable water isotopes?
 Nick McKay:				That's right H and O
 Julien Emile-Geay:			just wanted to make sure
 Nerilie Abram:			Isotopes seem too limiting. What about accumulation in Antarctica - very pure hydroclimate info
 Fredrik Charpentier Ljungqvist:	I think we should focus on only records extending back to at least AD 1000 since our focus is millennia scale and not the last few centuries.
  Fredrik Charpentier Ljungqvist:	Starting with only isotopes is fine fore me.
 Joelle Gergis:			Enforcing an overly strict length criteria will exclude many records from the Southern Hemisphere. Also limited isotope data... 
  Helen McGregor:			O2k perspective - different datasets for different questions - use their strengths. 
 Helen McGregor:			isotopes only: may miss the info from combining coral Sr/Ca and d18O
 Fredrik Charpentier Ljungqvist:	One problem is that it is difficult to make a fair comparison of the climate during different times if we have different numbers of records for different periods (and different spatial coverage). It also makes it difficult to assess uncertainties if we have more records in the calibration period, although this can be tested with “nested” approaches. 
 Helen McGregor:			What is hydroclimate: From O2k perspective is it moisture e.g. ocean basin moisture source, or is it rainfall
 Helen McGregor:			@Kevin - this is exactly some of the points we discussed internally in O2k
 Nerilie Abram:			Or for oceans is it Sea Surface Salinity (SSS) that is a better hydroclimate target?
 Bronwen Konecky:			It might help to focus on proxies that reflect a certain variable-- e.g., proxies for rainfall amount vs. proxies for more general circulation intensity, etc. These could end up being isotope records in some regions but other types of proxies in other regions.
 Julien Emile-Geay:			Interpretation of water isotopes can be informed by isotope-enabled GCMs, via a data-assimilation approach.
 Hugues:				The data base should be used for different purposes so it is better to be more general on my point of view (so long and short records should be there so that everyone can select the data he wants)
 Julien Emile-Geay:			It is illusory to believe that each proxy will have a pure T or hydro interpretation, but that does not mean they cannot be both used with a unified, physically-based approach
 Fredrik Charpentier Ljungqvist:	Yes,  I agree. But it is also very much work to include all also short records. Do we have time enough now?
 Kevin Anchukaitis:			@Helen -- I hope I represented your points correctly? @Julien - agreed, I'll raise this when talking about methods, too 
 Julien Emile-Geay:			@Kevin - I was hoping somebody would...
 Joelle Gergis:			I agree with Julien, there are strong covariations in temperature and rainfall in sub-tropical regions
 Helen McGregor:			@Kevin - yes
 Helen McGregor:			All:  We have some notes from our preparations for this meeting - these summarize many of the issues we are discussing and we're happy to pass them on
 Julien Emile-Geay:			While some records may be more slanted towards one variable than the other, most reflect a combination of effects, and it would a shame to exclude those, especially as some methods can make use of them.
 Julien Emile-Geay:			@Hughes, I completely agree
 Bronwen Konecky:			But Julien is right that most proxies reflect a combination of variables
 Nerilie Abram:			Yes, good idea. My only concern is that proposed time line is very tight, particularly with big push that is concurrently underway for temperature database
 Jeannine St-Jacques:		Are we really going to be able to come up with a set of criteria for the entire globe? It seems that we might have to devolve to regional sets of criteria, just based upon what is available for each region?
 ray bradley:				Unlike temperature, precipitation/hydroclimate is more regionally variable (often with strong gradients) --often related to circulation modes (ENSO, PDO, NAO etc)...wouldn't it make sense to divide the data into subsets related to teleconnections associated with these modes?
 Julien Emile-Geay:			those criteria are blurry too...
 Nathan Steiger:			Climate mode-data connections can change over time...
 Fredrik Charpentier Ljungqvist:	Yes, in the “reconstruction stage” we must be aware that the teleconnections may not have been stable in time…
 Julien Emile-Geay:			Yay Bronwen! Isotopes are great. We can make use of them even if they have a complicated interpretation.
 Bronwen Konecky:			@Julien I think so too! Although we do need non-isotope proxies as well as isotope-enabled models to produce a well-informed hydroclimate interpretation.
 EKThomas:				Would a global isotope compilation be useful for understanding past relationships of isotopes to hydroclimate/temp/other variables? Something that an isotope group could work on…led by Bronwen, others?
 Julien Emile-Geay:			@Bronwen, yes. I agree with Nerilie that some proxies (e.g. ice accumulation) have a very clear-cut interpretation, and needs to come into the picture.
 Pierre Francus:			The varve group is setting up a database that can be mined for hydroclimate. I also see a lot of potential synergy
 ray bradley:				Of course, teleconnections patterns may change, just as climate-proxy relationships may change over time...but there needs to be a geographical framework for the reconstructions.  Producing a global or continental scale temperature reconstruction is valuable, but for hydroclimate it is useless, so what is the regional strategy?
 Nick McKay:				I think the beauty of starting with a core isotope database is that it can form a core that can be extended to help evaluate essentially all of the questions raised above, but can also be accomplished within a reasonable time.
  Nerilie Abram:			I think that a devolved regional approach may be more useful than a global database in the first instance. Unlike temperature, I think that at a regional scale there is still a lot of fundamental work that needs to be done to understand  how to reconstruct hydroclimate and that is better done at a subgroup level rather than a full database (i.e. like the 2013 process for temperature)
 Valerie Trouet:			I second Nerilie's comment
 Fredrik Charpentier Ljungqvist:	Ray, a part of the project (or database) could be to investigate if the teleconnections have been stable or have changed.
 Helen McGregor:			@bronwen - o2k LR work may be a head start
 Julien Emile-Geay:			@Nick:  yes, exactly. THe beauty of a flexible database is that we can include all quality-controlled records and this can be mined later for more specific information
 Joelle Gergis:			I agree with Ray and Nerilie -- a regional approach taking into account large scale circulation modes will be important for reconstructing hydroclimate 
 Bronwen Konecky:			Nerilie's point is really important. In terms of timeline, should some of that fundamental work happen before a database? 
 Helen McGregor:			O2k - timing yes
 Fredrik Charpentier Ljungqvist:	Overall, the time-line looks fine for me.
 Helen McGregor:			Our internal discussions thought time line was too tight - we felt that quality control is needed and this is time consuming
 Pierre Francus:			I think the comment of Nerilie is also valid for varves. It seems too early to include other proxies than isotopes if this timeline is desired.
 Steve Mauget:			I third Nerilies (and Ray's earlier) comments regarding regional approaches...
 Helen McGregor:			And earlier I wanted to comment on the SST database - we had a lot of queries on the quality control process - we have already found bugs but don't quite know how to feed this in. Working this out will provide a template for hydroclimate
 Jeannine St-Jacques:		So are other hydroclimate proxies other than isotopes to be saved for another PAGES 2K project to occur after 2016? I understand how we are up against a hard deadline in 2016 and hence we are trying to focus on isotopes now.
 Helen McGregor:			For the O2k side I can send Lucien/Darrell et al our prep notes, which summarize many of these issues. 
  Helen McGregor:			Hydroclimate and O2k- O2k have discussed hydroclimate as part of phase 2 – in the process of defining projects and champions for those projects → refining this in the next month in preparation for our 1st Ocean2k workshop (Barcelona, Oct 2015)- From the marine perspective however, there is the key question of whether hydroclimate is moisture and/or rainfall. Moisture balance comparison with models from marine perspective – longer time and spatial (ocean basin) scales - HR in the tropics can give rainfall via coral paired Sr/Ca and δ18O. In the tropics δ18O alone as a rainfall proxy may be difficult because of the tight coupling between SST and rainfall – δ18O in some regions is predominantly an SST proxy (although that could be used to infer rainfall)- Other datasets may give insights. E.g. δ18O from bivalves in the extratropics- QU for the P2k group:  qualitative vs quantitative reconstructions? There are some qualitative reconstructions that may be of use. But from our point of view getting the data together and quality controlled is critical. We have some science questions but need to see if we have the data to answer those questions. From this point of view we thought realistically we would need more time for quality control and getting the data together.
 Valerie Trouet:			Ed Cook's OWDA paper was just submitted for review last Friday
 Dhananjay Sant:			i looked up for sedimentological record for identifying flood events for last 500 yrs
 Bronwen Konecky:			Helen these notes from O2K are really helpful! These touch on some critical issues that a hydro group should discuss prior to/while putting together a database. Also, I think a PAGES2K hydroclimate effort should combine both ocean and terrestrial archives (and people) since the science questions and applications may overlap quite a bit.
 Nerilie Abram:			I like the Climate of the Past target for a special issue - the open review process there would be useful
 Jeannine St-Jacques:		I like the Climate of the Past idea too
 Helen McGregor:			@Bronwen - yes, we had additional notes on quality control and encourage more broadly to break down regional groups
 Fredrik Charpentier Ljungqvist:	Yes, Climate of the Past would be excellent!
 Julien Emile-Geay:			CP is great
 Joelle Gergis:			A special issue will be a good motivator for progress from the regions
 Joelle Gergis:			Darrell can you please provide further information about this last millennium reanalysis project?
 luterbacher:				a german science funded project is currently working on the reconstruction of the asian monsoon for the past 2k
 Dhananjay Sant:			is 2k terrestrial high resolution records from fluvial system better way to look for hydroclimate?
 Joelle Gergis:			very helpful, thanks
 Helen McGregor:			@Julien - so we have an O2k metadatabase (needs a little updating) but that is essentially everything we could find from the ocean, and then from there we selected our LR SST dataset and HR dataset
 Julien Emile-Geay:			fabulous. please send!!!
 Helen McGregor:			@Julien - and the O2k metadatabase is public
 Julien Emile-Geay:			@Helen : pointer?
 Helen McGregor:			@Julien - just getting it
 Joelle Gergis:			What we provided for Aus2k is also 'everything' rather than just a temperature subset 
 Nerilie Abram:			@helen: metadata may note be entirely up to date with new records added since initial compilation?
 Jostein Bakke:			Arctic Workshop i Bergen 10 - 13 of May:  http://arcticworkshop2015.b.uib.no
 Helen McGregor:			@Julien and Nerilie - yes, needs a bit of updating, we've done this ad hoc over the past 2 years but it's a good start
 Julien Emile-Geay:			@Joelle. Thanks. It's easier to subsample rather than conjuring up new records.
 Helen McGregor:			@Julien metadata@Julien http://pages-igbp.org/workinggroups/ocean2k/data
 Jeannine St-Jacques:		Thanks to everyone for their very hard work
 Julien Emile-Geay:			@Jeaninne:  I second that!
 Helen McGregor:			Thanks all 
 Joelle Gergis:			thanks guys
 Bronwen Konecky:			Thanks all!
 Dmitriy:				bye