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Stora Sjöfallets / Stuor Muorkke nationalpark - Sveriges nationalparker | Välj nationalpark | Sveriges nationalparker
Här i Stora Sjöfallet - Stuor Muorkke på samiska, möts du av mäktiga fjällryggar, djupt nedskurna dalar, blockiga högslätter, toppar och glaciärer.
travel  holiday  national  park  mountain  glacial  geology  camping  walking  biology  botany  plants  wildflowers  lichens  wildlife  conservation  history  norrbotten  lappland  sweden  arctic  scandinavia 
yesterday by asaltydog
Hardangervidda - nordens største nasjonalpark og høgfjellsplatå
Hardangervidda er Europas største høgfjellsplatå og nordens største nasjonalpark. Hardangervidda har også Europas eldste og største villreinstamme og har det største leveområde for den europeiske villreinen.
travel  holiday  national  park  mountain  glacial  geology  camping  walking  biology  botany  plants  wildflowers  lichens  wildlife  conservation  history  norway 
yesterday by asaltydog
Coronavirus lockdowns have changed the way Earth moves
A reduction in seismic noise because of changes in human activity is a boon for geoscientists.
earth  science  earthquake  covid-19  coronavirus  seismology  geology 
2 days ago by mjb
Dangerous Earth: What We Wish We Knew about Volcanoes, Hurricanes, Climate Change, Earthquakes, and More, Prager
"The Earth is a beautiful and wondrous planet, but also frustratingly complex and, at times, violent: much of what has made it livable can also cause catastrophe. Volcanic eruptions create land and produce fertile, nutrient-rich soil, but they can also bury forests, fields, and entire towns under ash, mud, lava, and debris. The very forces that create and recycle Earth’s crust also spawn destructive earthquakes and tsunamis. Water and wind bring and spread life, but in hurricanes they can leave devastation in their wake. And while it is the planet’s warmth that enables life to thrive, rapidly increasing temperatures are causing sea levels to rise and weather events to become more extreme.
"Today, we know more than ever before about the powerful forces that can cause catastrophe, but significant questions remain. Why can’t we better predict some natural disasters? What do scientists know about them already? What do they wish they knew? In Dangerous Earth, marine scientist and science communicator Ellen Prager explores the science of investigating volcanoes, earthquakes, tsunamis, hurricanes, landslides, rip currents, and—maybe the most perilous hazard of all—climate change. Each chapter considers a specific hazard, begins with a game-changing historical event (like the 1980 eruption of Mt. St. Helens or the landfall and impacts of Hurricane Harvey), and highlights what remains unknown about these dynamic phenomena. Along the way, we hear from scientists trying to read Earth’s warning signs, pass its messages along to the rest of us, and prevent catastrophic loss.
"A sweeping tour of some of the most awesome forces on our planet—many tragic, yet nonetheless awe-inspiring—Dangerous Earth is an illuminating journey through the undiscovered, unresolved, and in some cases unimagined mysteries that continue to frustrate and fascinate the world’s leading scientists: the “wish-we-knews” that ignite both our curiosity and global change."
to:NB  books:noted  geology  popular_science 
4 days ago by cshalizi
Illuminating seafloor faults and ocean dynamics with dark fiber distributed acoustic sensing - Science, Nov 2019
Via New Scientist, Dec 2019
Marine observations with optics
Placing sensors on the seafloor is difficult, but a sensor network has huge potential for observing processes occurring both below and above the seafloor. Lindsey et al. measured acoustic vibrations collected by attaching a laser to the Monterey Accelerated Research System's subsea optical fiber during a maintenance period (see the Perspective by Jousset). Acoustic waves were monitored by changes in laser light along the cable. The observations from just a few days allowed mapping of an unknown fault system and detection of several dynamic processes in the water column above.
ScienceMag  optics  geology 
8 days ago by pierredv
cappadocia turkey - Bing
The fantastical 'fairy chimneys' found in central Turkey's historical Cappadocia region were formed by a collision of the natural and the man-made—and they form a scene that seems straight out of a Dr. Seuss illustration. The landforms were created when volcanoes deposited mounds of soft, porous rock called tuff, which was later covered with hard basalt. In the 10th century (though possibly starting up to 5,000 years ago) humans excavated the tuff to create caves and catacombs that could fit thousands of dwellers. Through not only the astonishing ruins but the many 'cave hotels' hewn into rock in the city of Göreme, the memory of those ingenious city planners lives on
images  photography  geology  Travel  Turkey 
8 days ago by pierredv
RT : THREAD: RESOURCES! W/ so many schools online, thought it would be useful to help create list of f…
VIRTUAL  GEOLOGY  from twitter_favs
24 days ago by stealingsand
NMGS Fall Field Conference Guidebook - 12
Welcome to the Thirteenth Annual Field Conference of the New Mexico Geological Society in the Mogollon Rim country of Arizona. This is our second conference to be held in cooperation with the Arizona Geological Society, and the road logs and technical papers in this guidebooks shed light on many problems which are of mutual interest to geologists in both states . The first day of our trip takes us southward and westward from Gallup, New Mexico into Arizona and the Mogollon Rim country. As we travel the rim, we will see Cretaceous and younger rocks that have been deposited on the beveled surface of progressively older rocks. We will drive through the northwestern edge of the Datil volcanic field and will be able to trace some of the ancient drainage channels of the Little Colorado River, down which the lava flowed, by the erosional remnants. The second day will be devoted to viewing and discussing the geologic setting of two of Arizona's copper mining districts, Globe-Miami and Superior. The third day's route traverses the northwest-southeast trending Plateau-Basin Range boundary zone. The earlier part of the trip will be in Tonto Basin, situated between relatively flat-lying younger Precambrian rocks of the Sierra Ancha Mountains to the north or Plateau side, and the structurally-deformed Precambrian rocks of the centrral mountain belt to the south. Midway we will be on the plateau proper, but will go back down into the northwest-trending Verde Valley, a continuation of the Tonto Basin trend. From the largely Precambrian terrain of the Jerome area, we will cross the Verde Valley into the dominantly Paleozoic sedimentary and Cenozoic volcanic terrain of Flagstaff and Plateau region.
5 weeks ago by cogdog

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