Author / Sarah Kai Zhen Toh

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  • Glacier Retreat Exposes New Breeding Ground for Kelp Gulls in Antarctica

    Glacier retreat caused by anthropogenic climate change is often in the news because of its impacts on sea level rise and shrinking habitats. However, a recent study published by Lee et al. in the Journal of Ethology has found that glacier retreat on King George Island could have a positive impact on kelp gulls, exposing…

  • Photo Friday: Jotunheimen National Park

    Jotunheimen National Park in southern Norway contains more than 250 mountains, including Norway’s two tallest peaks, Galdhøpiggen (2469 metres above sea level) and Glittertind (2465 metres above sea level). Its name means “Home of the Giants” and it is located within the Scandinavian Mountains. Its glacier-carved landscape is a popular camping, hiking and fishing location,…

  • Research Shows How Climate Change Drives Glacier Retreat

    Shrinking glaciers are oft-cited examples of the effects of anthropogenic climate change, providing dramatic imagery in different parts of the world. However, this has mostly been based on global aggregates of glacier extent. Differing opinions also exist about the best way to measure glacial change all over the world.  A recent study by Roe et…

  • Roundup: Chemistry, Dams and Elevations

    Roundup: Meltwater Chemistry, Hydroelectric Dams and Glacier Elevation   Diurnal Changes in the Chemistry of Glacier Meltwater From Chemosphere: “An evaluation of glacial meltwater chemistry is needed under recent dramatic glacier melting when water resources might be significantly impacted. This study investigated trace elements variation in the meltwater stream, and its related aquatic environmental information, at…

  • Large Populations of Jellyfish Found in West Antarctic Fjords

    Jellyfish can often be found in abundance in communities living in the benthic boundary layer, the water directly above the seafloor. The cold high-latitude systems surrounding the poles are no exception. A recent study published by Grange et al. in PLOS One reports on unusually high abundances of Ptychogastria polaris Allman in fjords in the glacier-rich…

  • A Living Piece of History: An Outdoor Ice Rink in New Zealand

    The remains of an outdoor ice rink near Mount Harper/Mahaanui in New Zealand offer insight into the establishment, use and decline of what may have been the largest outdoor ice rink in the Southern hemisphere. The privately built rink on South Island was a popular social amenity from the 1930s to the 1950s, playing an…

  • Roundup: Siberia, Serpentine and Seasonal Cycling

    Roundup: Siberian Glaciers, Vegetation Succession and Sea Ice   Glaciers in Siberia During the Last Glacial Maximum From Palaeogeography, Palaeoclimatology, Palaeoecology: “It is generally assumed that during the global Last Glacial Maximum (gLGM, 18–24 ka BP) dry climatic conditions in NE Russia inhibited the growth of large ice caps and restricted glaciers to mountain ranges. However, recent…

  • Krill Contribute to Ocean Carbon Storage in Patagonia

    Waters in the sub-Antarctic region of Chilean Patagonia are fed by glaciers in one of the largest freshwater systems on Earth, the North and South Patagonian Icefields. A recent study published in Marine Ecology Progress Series found that Euphasia vallentini, the most abundant species of krill in Chilean Patagonian waters, play a key role in…

  • Glacier Loss Threatens Stoneflies in Glacier National Park

    Glaciers in the Rocky Mountains are undergoing rapid retreat, threatening two remarkable insect species that live in streams fed by glacial meltwater. Lednia tumana (meltwater stonefly) and Zapada glacier (Western glacier stonefly) have recently been proposed for listing under the Endangered Species Act due to the threat that climate change poses to their habitats. A…

  • Roundup: Volcanoes, Cryoseismology and Hydropower

    Roundup: Kamchatka, Cryoseismology and Bhutan   Activity in Kamchatka’s Glacier-Covered Volcanoes From KVERT: “The Kamchatka Volcanic Eruption Response Team (KVERT) monitors 30 active volcanoes of Kamchatka and six active volcanoes of Northern Kuriles [both in Russia]. Not all of these volcanoes had eruptions in historical time; however, they are potentially active and therefore are of…