Old Dogs, Alaska and the New World

When people first walked across the Bering Land Bridge thousands of years ago, dogs were by their sides, according to researchers who wrote a paper published in the journal Science. Scientists from Washington, D.C. and Los Angeles used dog DNA material — some of it unearthed by miners in interior Alaska — to conclude that […]

kelp strand fish aquarium

Sea otters defend CO2 absorbing kelp forests

The fur trade halted abruptly with the International Fur Seal Treaty of 1911, which finally forbade commercial harvesting. Hunters and trappers had run rampant during the last two centuries. The species of sea life they harvested for pelts during the 18th and 19th century were decimated: Northern fur seal populations were incredibly rare, and Sea […]

Mummy ground squirrel tells of a different Alaska

One fall day in Interior Alaska, a lion stalked a ground squirrel that stood exposed on a hillside like a foot-long sandwich. The squirrel saw bending blades of grass, squeaked an alarm call, and then dived into its hole. It curled up in a grassy nest. A few months later, for reasons unknown, its heart […]

An oasis on the Seward Peninsula

On a recent ski trip across the Seward Peninsula, I followed a trail along the Pilgrim River broken by five friends. Their path led to a subarctic oasis. Beyond the blank white of frozen river was a small settlement nestled in balsam poplar trees 60 feet high. The cleared fields, old farm equipment, scattered pine […]

Kodiak Island grass bluff view bay

Ancient footprints on Beringia

You can see the depressions in the earth when the archaeologists point them out. Each house had a central room connected by tunnels to side rooms. Female relationships guided living arrangements: in a grandmother’s house, each of her daughters’ families would occupy one of the small side rooms. When they gathered there in rooms partially […]

happy grooming sea otter

Sea otters and kelp forests helping you

Laura Nielsen for Frontier Scientists – The fur trade halted abruptly with the International Fur Seal Treaty of 1911, which finally forbade commercial harvesting. Hunters and trappers had run rampant during the last two centuries. The species of sea life they harvested for pelts during the 18th and 19th century were decimated: Northern fur seal […]

Frontier Scientists presents videos about Understanding Climate Change Through Archaeology

October 8 2013— You’ve seen ancient bones uncovered by archaeologists in museums, dusty and mysterious, and learned something new about the past. For a zooarchaeologist, bones will give up more secrets than most. Join Mike Etnier, zooarchaeologist at Western Washington University, as he exposes the secrets of bones. In videos “A Zooarchaeologist’s Take on Climate […]

Mendenhall Glacier ice cave

A forest revealed under glacial ice

Laura Nielsen for Frontier Scientists – Alaska’s Mendenhall Glacier is shrinking, and its retreating ice has bared the remains of an ancient forest. Preserved stumps and trunks, many still rooted and even bearing bark, sit in a gravelly mix of stone churned up by the glacier. The trees are being exposed to open air for […]

Orbital dynamics and climate

Laura Nielsen for Frontier Scientists – Cyclical changes in the way the Earth circumnavigates the Sun can influence Earth’s climate. Last week, we looked at Milankovitch’s assessments of orbital dynamics, including: orbital eccentricity, Earth’s tilt or obliquity, and the precession or change in orientation of the Earth’s axis of rotation which determines what direction each […]

orbital variance seasons

Earth’s orbital dynamics

In the 1930s, Serbian mathematician Milutin Milankovitch theorized that slow changes in the way the Earth moves through space about the Sun could have influenced our planet’s climate past. The Earth has experienced a string of ice ages in the past, interrupted by shorter, warmer, interglacial periods. How –and how much– have the Earths’ orbital […]

Baffin Bay Greenland iceberg overview

Ice restrains the floodgates

Laura Nielsen for Frontier Scientists – There’s a new Titanic under construction: a grandiose ocean liner, maiden voyage set for 2016. The Australian billionaire undertaking the project intends Titanic II to be a near-perfect replica of the original RMS Titanic, the ill-fated steamship which sank in 1912 after striking an iceberg. The disaster claimed over 1,500 lives. […]

Aniakchak volcanic caldera from above

Arctic volcanism helps date ancient archaeological sites

“By dating ash,” said Richard Vanderhoek, “An archaeological site in Alaska, can be placed on a chronostratographic timeline.” Or in other words: the chemical makeup of the ash, matched with a volcano eruption, will provide an approximate date of the site. Archaeologists worldwide have dated ancient sites

archaeology Alaska North Slope mesa

Climate change and the people of the mesa

Alaska was once the setting for an environmental shift so dramatic it forced people to evacuate the entire North Slope, according to Michael Kunz, an archaeologist with the Bureau of Land Management. About 10,000 years ago, a group of hunting people lived on the North Slope, the swath of mostly treeless tundra that extends north […]

Dinosaurs in the Wrangell Mountains

The more Tony Fiorillo explores Alaska, the more dinosaur tracks he finds on its lonely ridgetops. The latest examples are the stone footprints of two different dinosaurs near the tiny settlement of Chisana in the Wrangell Mountains. Fiorillo, a dinosaur hunter with the Museum of Nature and Science in Dallas, recently wrote of the foot […]

Alaska dune yields oldest human remains of far north

Ned Rozell for UAFGI – Last summer, archaeologist Ben Potter was supervising a group of researchers digging on an ancient sand dune above the Tanana River. Potter, who had a field camp he needed to start at another site, was anxious to get through the last day of work at the dune. Two graduate students, […]

Future Directions: Beyond Matcharak Lake

The 2008-2009 excavations at Matcharak Lake confirm many assumptions about the Denbigh people 4000 years ago. We have shown the Denbigh to be specialized caribou hunters at least when they are in the mountains. We have shown the extensive use of organics as tools and that these earliest of Paleo-Eskimos were skilled artisans. Although research […]

Reflections on the Lake Matcharak Paleo-Eskimo dig

By investigating material culture, technological remains from our human past, we can better understand the way people interacted with the environment thousands of years ago. It can give us answers to how people adapted to change, whether it is climactic, technological, or interactions with other cultures. We as a global society are still facing these […]

Notes after our summer field work: Lake Matcharak

When we were working at the Matcharak Lake Denbigh Site in 2009, we noticed on a map that there are other spots around the lake which look like promising spots where people might have lived. So one day instead of excavating, Victoria and I took our boat across the lake and went on a short […]

Matcharak Lake: A seasonal mountain camp

The results of my studies identified four species of fish, dominated by arctic grayling, burbot, lake trout and northern pike, two species of bird, mostly willow ptarmigan, but a few duck bones (species unidentified) were recovered as well. This is important because ducks are migratory species only found in the Brooks Range in warmer months […]

The preservation of archaeological bone

A midden is basically a prehistoric trash dump. After processing animals for consumption, the unusable remains were often discarded in an area of the camp where people were not working and sleeping. Normally in the harsh arctic environment, bones on the surface waste away rather quickly. At Matcharak Lake, however, conditions were just right to […]

Uncovering the frozen remains of a Paleo-Eskimo culture

The Denbigh Flint Complex is the term used to define artifacts left behind by the earliest group of Paleo-Eskimos in Alaska. More broadly, the Denbigh are part of the Arctic Small Tool tradition, the first group of people to colonize arctic America from Alaska to Greenland, after the retreat of the massive ice-sheet that once […]

History in ice, a Paleo-Eskimo excavation

Does watching the archaeologists featured in Paleo-Eskimo videos hard at work– peeling away earth, getting excited over discovering an artifact– summon feelings of jealousy for anyone else? It does for me. The three archaeologists are working to uncover truths 4,000 years old. Situated in Gates of the Arctic National Park, their dig site reveals an […]