Eyjafjallajökull's eruption may be a hassle if you had any transatlantic flights planned this summer. For scientists, however, volcanic eruptions are the only way they can obtain samples from deep within the Earth to learn more about our planet, its formation, and its ongoing evolution. Smithsonian Geologist Liz Cottrell helps put this recent eruption into perspective.

The post Geologist Liz Cottrell puts Eyjafjallajökull’s eruption into perspective appeared first on Smithsonian Insider.

Jim Zimbelman, planetary geologist in the Center for Earth and Planetary Studies at the Smithsonian’s National Air and Space Museum, shares his three favorite images from the exhibition "Beyond: Visions of Our Solar System.” On view at the Air and Space Museum through May 2, 2011, the exhibition by artist Michael Benson combines art, science, photography and exploration to unveil the diverse landscapes found on the planets in our Solar System.

The post A new perspective on the Solar System with Planetary Geologist Jim Zimbelman appeared first on Smithsonian Insider.

The post Smithsonian geologist Liz Cottrell discusses the March 11, 2011 Japan earthquake and its mechanics appeared first on Smithsonian Insider.

Which is more important for a career as a scientist, good grades in math or a strong sense of adventure? Hear what Smithsonian geologist Liz Cottrell has to say as she recounts her own school years and the steps that led to a career she can't imagine ever giving up.

The post Smithsonian geologist Liz Cottrell talks about what it takes to be a scientist. appeared first on Smithsonian Insider.

The post Learn about the ash that comes from volcanoes with Dr. Liz Cottrell, a geologist from the National Museum of Natural History appeared first on Smithsonian Insider.

Smithsonian’s MarineGEO (Marine Global Earth Observatory) conducts long-term research around the world on coastal marine ecosystems, including at their field station on Carrie Bow Cay […]

The post MarineGEO Field Campaign: Belize appeared first on Smithsonian Insider.

The crystal structure of tri­phenyl­methanol, C19H16O, has been redetermined using data collected at 295 and 153 K, and is compared to the model published by Ferguson et al. over 25 years ago [Ferguson et al. (1992). Acta Cryst. C48, 1272–1275] and that published by Serrano-González et al., using neutron and X-ray diffraction data [Serrano-González et al. (1999). J. Phys. Chem. B, 103, 6215–6223]. As predicted by these authors, the hy­droxy groups are involved in weak inter­molecular hydrogen bonds in the crystal, forming tetra­hedral tetra­­mers based on the two independent mol­ecules in the asymmetric unit, one of which is placed on the threefold symmetry axis of the Roverline{3} space group. However, the reliable determination of the hy­droxy H-atom positions is difficult to achieve, for two reasons. Firstly, a positional disorder affects the full asymmetric unit, which is split over two sets of positions, with occupancy factors of ca 0.74 and 0.26. Secondly, all hy­droxy H atoms are further disordered, either by symmetry, or through a positional disorder in the case of parts placed in general positions. We show that the correct description of the hydrogen-bonding scheme is possible only if diffraction data are collected at low temperature. The pro­chiral character of the hydrogen-bonded tetra­meric supra­molecular clusters leads to enanti­omorphic three-dimensional graphs in each tetra­mer. The crystal is thus a racemic mixture of supS and supR motifs, consistent with the centro­symmetric nature of the Roverline{3} space group.

A method is adapted to generate a full rank realization of an abstract regular polyhedron with automorphism group H3.

Apr 9, 2020; 133:jcs246116-jcs246116
FIRST PERSON

Source: Streetwise Reports   05/07/2020

Oil and gas technology services and solutions company ION Geophysical Corp. (IO:NYSE) yesterday afternoon announced financial results for Q1/20 ending March 31, 2020.

The firm reported total net revenues of $56.4 million in Q1/20, which represented a 53% increase over $37.0 million in Q1/19. The company advised that the increase was due primarily to an increase in 2D multi-client data library sales.

For Q1/20, the firm additionally reported operating income of $6.3 million, compared to an operating loss of $15.9 million in Q1/19. The company further indicated that in Q1/20, it posted a net loss of $2.3 million, or ($0.16) per share, compared to a net loss of $21.4 million, or ($1.52) per share in Q1/19.

The company's President and CEO Chris Usher commented, "We achieved the best first quarter performance in six years despite challenges from both coronavirus and oil price volatility...Our strong revenues of $56 million generated positive operating income and $23 million in Adjusted EBITDA, and, as a result, we expect our liquidity position to improve as revenues are collected in the second quarter. Our first quarter results reflect the value of our offshore data library and validate the combined effectiveness of our strategic refocus and over $20 million cost reductions. Our team creatively closed a number of large multi-client contracts, some of which were delayed from the fourth quarter, even after E&P market dynamics changed. I remain confident in ION's value proposition to cost-effectively support customers' data-driven decision-making in this lower-for-longer exploration and production environment."

The company indicated that it has maintained a strong liquidity position in the face of energy market turmoil and the COVID-19 situation. The firm stated that as of March 31, 2020, it had total liquidity of $53.8 million, which consisted of $42.7 million in cash and $11.1 million remaining available balance under its $50.0 million revolving credit line.

ION Geophysical Corp. is a technology-focused company headquartered in Houston, Tex. that provides geophysical technology, services and solutions to the global oil and gas industry. Its products and technical services are designed to help oil and gas exploration and production companies obtain images of the earth's subsurface.

ION Geophysical started off the day with a market capitalization of around $25.1 million and an enterprise value of $115.7 million with approximately 15.03 million shares outstanding and a short interest of about 6.40%. IO shares opened more than 100% higher today at $3.37 (+$1.70, +101.80%) over yesterday's $1.67 closing price. The stock has traded between $2.84 to $4.36 per share today and is currently trading at $2.88 (+$1.21, +72.46%).

Disclosure:
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( Companies Mentioned: IO:NYSE, )

Eleven questions that should shape the next decade of geographical sciences research were identified today in a new report by the National Research Council.

A new report from the National Academies of Sciences, Engineering, and Medicine says that enhancements to the geodetic infrastructure are needed to answer important questions about sea level rise, water resources, geological hazards, and more over the next decade.

Shares of ION Geophysical traded higher after the company reported Q1/20 financial results that included a 53% year-over-year increase in revenue.

Geography and ecology are key factors that have influenced the genetic makeup of human groups in southern Africa, according to new research discussed in the journal GENETICS, a publication of the Genetics Society of America. By investigating the ancestries of twenty-two KhoeSan groups, including new samples from the Nama and the ≠Khomani, researchers conclude that the genetic clustering of southern African populations is closely tied to the ecogeography of the Kalahari Desert region.

read more

New research investigating the effects of naturally occurring iron fertilisation in the sea suggests that large scale geoengineering projects designed to sequester carbon in the deep sea could have a dramatic impact on marine ecosystems. The study found that the organic matter arriving at the sea floor and the species that live there are very different, depending on whether waters are fertilised by iron leached from nearby islands or not.

Concerns about the negative impacts of ‘sunshade’ geoengineering on global food security are not supported by a recent modelling study, the first to simulate yield changes in a geoengineered climate. However, to mitigate climate change, the researchers suggest actions to reduce CO2 emissions are safer than introducing geoengineering projects, partly because some regions may actually suffer reduced crop yield in a geoengineered climate.

Injecting light-reflecting particles into the atmosphere to counteract rising levels of greenhouse gas emissions cannot stabilise both temperatures and rainfall in all regions of the world at the same time, according to recent research. This raises serious questions about how such a process could be managed.

Scientists have reviewed the potential for worldwide development of geothermal energy systems in old, unused mines. The technology is proven in many sites and could therefore help increase the share of renewable energy sources in the energy mix, offering sustainability and job creation, which may make mining operations more appealing to investors, communities and policymakers.

A new screening tool to assess the potential seismic risks (earthquake activity) from deep geothermal energy projects has been outlined in a recent study. The tool provides categories of seismicity risk for projects, which are dependent on factors including geological aspects, as well as social concern and location in relation to urban areas.

Khudoleĭ, K. M

Gaul, Gilbert M., author

Information about geodiversity — i.e. the variety of the material, non-biological parts of the natural world — could be better used and more integrated in environmental management in the UK, finds new research. The authors examined the inclusion of geodiversity information in UK assessments and identified a number of areas where geoscience knowledge is vital for informing ecosystem management.

The role of wild birds in spreading potentially deadly strains of 'bird flu' is poorly understood. Recent research in Georgia examined an important crossover point of migratory routes, including routes into Europe, and found that only 1% of wild birds tested here carried avian influenza. None of these had the harmful, pathogenic strains.

Geodiversity describes the diversity of the non-biological parts of the natural world such as rocks, soils, landforms and the processes which shape them over time. New research on how geodiversity information has been used to examine or inform conservation policy has been explored through eight different case studies. The research shows the variety and utility of geodiversity information to support biodiversity protection, both now and in the future.

I like to think of geometric transformations of images (stretching, shrinking, rotating, etc.) by starting with the geometric transformations of points. You could think of a geometric point transformation as just moving a point from one location to another, like this:... read more >>

000
WTNT64 KNHC 110400
TCUAT4

Tropical Storm Michael Tropical Cyclone Update
NWS National Hurricane Center Miami FL AL142018
1200 AM EDT Thu Oct 11 2018

...12 AM EDT POSITION UPDATE...
...MICHAEL WEAKENS TO A TROPICAL STORM OVER CENTRAL GEORGIA...
...DAMAGING WINDS STILL OCCURRING INLAND...

NOAA Doppler weather radar data indicate that the center of Michael
is now moving into south-central Georgia. Tropical storm-force
winds continue over central and southern Georgia, and are spreading
across the coast of southeastern Georgia.

This will be the last hourly position update issued by the National
Hurricane Center on Michael. The next intermediate advisory will be
issued at 2 AM EDT...0600 UTC.


SUMMARY OF 1200 AM EDT...0400 UTC...INFORMATION
-----------------------------------------------
LOCATION...32.3N 83.6W
ABOUT 30 MI...45 KM SSW OF MACON GEORGIA
MAXIMUM SUSTAINED WINDS...70 MPH...115 KM/H
PRESENT MOVEMENT...NE OR 40 DEGREES AT 17 MPH...28 KM/H
MINIMUM CENTRAL PRESSURE...975 MB...28.79 INCHES

$$
Forecaster Beven

Georgia’s coast is currently protected from hurricanes by a series of barrier islands, but their value is decreasing as sea levels rise.

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The winners in this international dog photo contest range from a blind, senior dog to cute, matching puppies.

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Actor tells Esquire magazine that his early-model 2008 Tesla Roadster was not the most dependable vehicle.

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Insect song, when slowed down dramatically, sounds otherworldly, but also human.

Georgia-Pacific Wood Products, which recently received SFI chain-of-custody certification, has launched a new sustainability campaign.

Surprising evidence linking Australia and Canada reminds us that our planet is a dynamic place.

Anjouan is an island between Africa and Madagascar littered with sedimentary rocks called quartzite that don't belong there. Are they a chunk of Gondwana?

We've found several camping areas on lakes, rivers and the ocean that offer beautiful views and plenty of recreational opportunities.

this is about green and sustainable weddings

After two years of fighting for permission to build along the city's waterfront, Lucas says he's pivoting back to California.

Beautiful solar system map by Eleanor Lutz shows the orbits of more than 18,000 celestial objects.

Fear of toxins unites Wayne County community against dumping of coal ash waste.

Researchers study the genetic secrets of the world's last Pinta Island tortoise.

Former Hell's Angel Tim Medvetz plays the role of motivational 'bus driver' to a group of unlikely adventurers.

Honey bees between pollination gigs still need to eat. Efforts are underway to keep them from starving when they’re off the clock.

In rural stretches of Connecticut and Tennessee, two nature-surrounded retreats built for retirees.

2019 has been a record year for the threatened species, even after Hurricane Dorian destroyed sea turtle nests in the state.

It's no substitute for simply getting rid of coal, but geo-engineering just may be our planet's Hail Mary pass.