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00_cover_Biennial Report 05-06.qxd - INSTAAR - University of ...

00_cover_Biennial Report 05-06.qxd - INSTAAR - University of ...

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Outreach SpotlightsUNDERGRADUATE MENTORING:SUNLIGHT’S EFFECT ON AQUATICORGANIC MATTER. UndergraduateCuong Huynh (CU Boulder) is being mentoredby Natalie Mladenov and DianeMcKnight on a project to un<strong>cover</strong> new waysin which sunlight affects aquatic organic matter. Cuong’sefforts are funded by CU Boulder’s Undergraduate ResearchOpportunities Program (UROP) and Bioscience UndergraduateResearch Skills and Training Program (BURST).The main goal is to equip Huynh with an understanding <strong>of</strong>the research methods and skills in analytical and laboratorytechniques, while at the same time answering some interestingresearch questions.Degradation <strong>of</strong> dissolved organic matter (DOM) byultraviolet light—also known as “photobleaching”—cancause complex compounds in vegetation to be brokendown to simpler compounds which are more readily consumedby bacteria. Huynh has been running experimentsusing a high-powered solar simulator to reproduce the process<strong>of</strong> photobleaching with plant leachates and DOM samples.Huynh is also using a new statistical modeling tool inorder to quantify changes in the optical properties <strong>of</strong> DOMas a result <strong>of</strong> photobleaching.This research experience is a stepping stone to Huynh’smain interest: the chemical structure <strong>of</strong> plants and theirmedicinal properties. He plans to present the results <strong>of</strong> hisresearch at an international meeting in 2<strong>00</strong>7—the InternationalAssociation <strong>of</strong> Theoretical and Applied Limnology(SIL2<strong>00</strong>7).<strong>INSTAAR</strong> COLLABORATES ON LOCALWATERSHED CURRICULUM: “MYH 2 O.” Colleen Flanagan, under the direction <strong>of</strong>Diane McKnight, led the development <strong>of</strong> ateacher curriculum guide and resource kit promotingawareness <strong>of</strong> the Boulder and St. Vrainwatersheds. The guide, entitled “My H 2 O,”blends Colorado state educational standards in science, languagearts, geography, and math into activities, educationalgames, story plots, and community action tasks. Theguide’s hands-on, minds-on projects are enhanced by aresource kit that contains supplies necessary to implementeach activity. Copies were distributed to area public andprivate schools in spring 2<strong>00</strong>6, primarily for use in 4th- and5th-grade classrooms. The project was a joint effort by<strong>INSTAAR</strong> and the Niwot Ridge Long-Term EcologicalResearch Program (NWTLTER), with a number <strong>of</strong> collaboratorsin several local school districts and governmentalagencies.The curriculum supplements the children’s book MyWater Comes from the Mountains by Tiffany Fourment,funded by NWTLTER and <strong>INSTAAR</strong> and distributed toBoulder Valley and St. Vrain Valley school districts in 2<strong>00</strong>4.Funding for the curriculum guide was provided by theU.S. Environmental Protection Agency, the CU BoulderOutreach Committee, the City <strong>of</strong> Boulder, and theWatershed Approach to Stream Health (WASH, a partnership<strong>of</strong> communities in Boulder County formed to protectwater quality). Other support came through SchoolyardNWTLTER, connecting the Colorado Front Range communitieswith the alpine systems <strong>of</strong> the mountains, andadministered by <strong>INSTAAR</strong>.GRAD STUDENT PENS EDUCATIONALJOURNAL ABOUT ANTARCTICSCIENCE. Karen Cozzetto was the maincontributor to an educational web site entitled“77 Degrees South,” which showcases the life,times, and research <strong>of</strong> several groups <strong>of</strong> scientistsworking in the largest ice-free region <strong>of</strong> Antarctica:the McMurdo Dry Valleys. Cozzetto’s focus was on theAntarctic “Stream Team,” which studies the hydrology andecology <strong>of</strong> glacial meltwater streams and is managed byDiane McKnight. The website is geared toward middle andhigh school students and presents science and happeningson the southernmost continent in the form <strong>of</strong> fun journalentries with lots <strong>of</strong> photos. Journal topics range from glacierdynamics to diving in ice-<strong>cover</strong>ed lakes for low-light algaephotosynthesis research, from eclipses to the ins and outs<strong>of</strong> helicopter travel, and from the intricacies <strong>of</strong> environmentallymanaging our human waste to the top signs you’vebeen in the field for three months. Most <strong>of</strong> the entries fromthe 2<strong>00</strong>5–2<strong>00</strong>6 field season were by Cozzetto and postedwith the help <strong>of</strong> volunteer web site designer EmmaHernandez (Cozzetto was also the main contributor in2<strong>00</strong>3–2<strong>00</strong>4 and 2<strong>00</strong>2–2<strong>00</strong>3). The site has been viewed bypeople on all seven continents, and several journal entrieshave been selected for inclusion in National ScienceFoundation’s Digital Library for Earth System Education(DLESE). The website is supported and hosted by the NSF’sMcMurdo Dry Valleys Long-Term Ecological Research (LTER)program.Undergraduate Cuong Huynh (CUBoulder) running experiments using ahigh-powered solar simulator to reproducethe process <strong>of</strong> photobleachingwith plant leachates and dissolvedorganic matter samples, Boulder,Colorado, Fall 2<strong>00</strong>6. Huynh is beingmentored by Natalie Mladenov andDiane McKnight (both <strong>INSTAAR</strong>) on aproject to un<strong>cover</strong> new ways in whichsunlight affects aquatic organic matter.Photo: Natalie Mladenov (<strong>INSTAAR</strong>).SOCIETAL MISSION | 37

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