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Clip meeting April 29, 2005

This document provides announcements and updates from the CLIP meeting on April 29, 2005, including information on summer fellows, dataset updates, and upcoming schedules.

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Clip meeting April 29, 2005

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  1. Clip meeting April 29, 2005 Announcements: Brent: summer fellow, a Kenyan named Naftali Mwaniki. Assigned to CLIP, will do grids and other things • Jeff: ERA40 or CRU dataset update • Simulation models appear to be ok, do what need. Since Bryan needs detailed, geo-referenced data for the LTM, we need a gridded data set such as ERA40. Will produce historical yield info, w/ prob density functions, and shape & scale parameters. Will try to get software (Phil can probably help) that can create scenarios at that resolution. ERA40 not yet accessible; will get in “1-8 weeks from now.” the CRU dataset is single point, sporadic for our area. In the meantime, need to select representative soils for all the grids. • Schedule? Brent going to Washington State to teach (including about CLIP) June 10-25; he travels to TZ again in August. Tavares might be going on 2 week “cruse” (Lake Erie core samples etc). Nathan on down to Tenn; reckon will be back by June teaching. Jeff to AMS conf in 20-25 June, vacation 5-13 Aug. Alagarswamy here; Sarah mostly here; Ben taking a little break end of May to get married. Sigismond: not yet set, maybe will take a vacation latter part of Aug. Jenny to Kenya in couple weeks, vacation early Aug.

  2. RAMS with Clip cover • Update from Nathan: • For both machines (MSU’s HC & Kili) Nathan will need to get assistance re libraries & C files, is communicating with Silicon Graphics and the RAMS community. • Didn’t get NCAR access for this summer, Nathan needs to give them benchmarks etc., August is the next cycle. • What need from group for summer? • Needs CLIP 34 class coverage; Bryan says that he has it. • Waiting on data & analyses from Nganga • Needs Jing’s curves but she is in China until end May. • Nathan will have 2 papers ready soon. • To do: Prepare a plan for the sensitivity parameter experiments, and use of the clusters: Jianjun, Qi & Nathan need to plan who does which analyses.

  3. Land use 1 • Bryan’s LTM: • Latest: has done variable sensitivity analysis, disappointing (all 16 variables equally responsible). Rerunning with various numbers of seeds (1 out of 10, 2 out of 10 etc), will soon have results. Has Parker TRI soil moisture (water holding capacity) model using DEM, has 3-D view of Loitokitok. Used SRES A2 cultivation scenario as upper bound. Paper on x-model validation by Gil Pontius (Clark) found LTM 2nd best LUC model. • What need from others? Yield numbers, precip data. Also, Nairobi LUC. Will use w/ population projections to model Nairobi growth. • Bryan will give Nathan randomly distributed model w/ same allocation of cropland to see if it is the amount or the spatial distribution of LUC that affects RAMS. • Mabel: she’s fine. Paper accepted. 2nd in review (Env & Planning B); econ paper almost finished. Will take pastoral system info that did with David & Jenny today to design an East African MABEL. Working on rule-based approach (combined with neural net) • Urbanization study: Ben & Jenny with E Africans will work on driving forces, Nate will do LCC of Nairobi & maybe other cities with imagery

  4. Land use 2 • Savanna study: Ben has done a paper for a class this semester on land management impacts on savanna vegetation, will continue on the topic over summer. Will work with Nate to see if there is a land management imprint on NDVI. • Fuelwood: Ben will complete the paper with new info from Uganda, still waiting for TZ info. Will focus on veg change due to fuelwood collection in specific areas with Nate. • Sigismond: will work on review of migration (land conflict etc as driver) in TZ, pastoral to ag zones. • Demographic model (rural pop dynamics)?

  5. Land cover dynamics • Sarah, Jianjun & Nate’s co-kriging analysis, rainfall & NDVI in several months of 1987, almost done. • would like better rainfall data • will add DEM & hopefully temporal analysis over the summer. • Slides of maps with preliminary analysis shown to group

  6. Possibly give a grad seminar in 2006-07? Yes, have it be a combination of the various aspects of the project’s research. Could be piped down to Purdue, too. • THE END

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