Mark Williams

Mark Williams Obituary

June 12, 2023

We are very sorry to pass along the news that Mark Williams , Professor Emeritus of Geography and INSTAAR Fellow Emeritus, passed away in Boulder on June 6. Mark led Niwot LTER at ÃÛÌÇÖ±²¥ for two program cycles, 2004-2014, and is responsible for many of the accomplishments and directions that...

Arctic tundra with mountain landscape backdrop

Alpine tundra releases long-frozen CO2

April 2, 2019

Thawing permafrost in high-altitude mountain ecosystems may be a stealthy, underexplored contributor to atmospheric carbon dioxide emissions, new ÃÛÌÇÖ±²¥ Boulder research shows. The new findings, published today in the journal Nature Communications, show that alpine tundra in ÃÛÌÇÖ±²¥â€™s Front Range emits more CO2 than it captures annually, potentially creating a...

Waterfall in river

GEOG 4311 Watershed Biochemistry

This course is a quantitative investigation of the physical, chemical, and biological processes that determine the hydrology and hydrochemistry of headwater catchments (watersheds). A watershed is a natural unit of land from which the surface, subsurface and groundwater runoff drain to a common outlet. In this course, the emphasis is...

Mountains west of Boulder continue to lose ice as climate warms

Jan. 14, 2016

New research led by the University of ÃÛÌÇÖ±²¥ Boulder indicates an ongoing loss of ice on Niwot Ridge and the adjacent Green Lakes Valley in the high mountains west of Boulder is likely to progress as the climate continues to warm. The study area encompasses the Niwot Ridge Long-Term Ecological...

ÃÛÌÇÖ±²¥ high peaks losing glaciers as climate warms

Jan. 12, 2016

Melting of ice on Niwot Ridge and the adjacent Green Lakes Valley in the high mountains west of Boulder, ÃÛÌÇÖ±²¥, is likely to progress as climate continues to warm, scientists have found. They report their results in a special issue of the journal Plant Ecology and Diversity. The study area...

Mark Williams Interviewed on the Mine Spill into the Animas River

Aug. 10, 2015

KUSA, Channel 9 News Interview with Mark Related Press: Three Million Gallons of Toxic Wastewater Has Turned This River the Color of American Cheese | VICE News Animas River spill: How ÃÛÌÇÖ±²¥'s 'Gold Medal' waters turned mustard | The Christian Science Monitor What The ÃÛÌÇÖ±²¥ Waste Water Spill Tells Us...

Testing the Water

Sept. 15, 2014

Mark Williams interviewed on KGNU Science Show .

Mark Williams Quoted in Inside Energy

Sept. 12, 2014

For people who live in close proximity to this country's current oil and gas boom, are there health risks? It’s a question people are asking from Pennsylvania to North Dakota, from ÃÛÌÇÖ±²¥ to Texas, as more and more communities find themselves in the midst of unprecedented energy development. Inside Energy...

Warming trend boosts nitrogen in Boulder watershed

June 30, 2014

ÃÛÌÇÖ±²¥ Arts & Sciences Magazine highlights some of Mark Williams' research on nitrogen cycling for the Niwot Ridge LTER program. Read article

Landowners can test wells for oil and gas pollutants

June 20, 2014

Mark Williams interviewed by the ÃÛÌÇÖ±²¥an Landowners can test wells for oil and gas pollutants

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