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  • Geology.com News – 15 Topics

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    Geology.com News – 15 Topics

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    Geology.com News – 15 Topics

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    Gems from Space?

    Posted: 29 Apr 2014 05:32 AM PDT

    A number of materials from beyond Earth have been used as gemstones. In addition, impacts have transformed Earth materials into beautiful glasses.

    New Topo Maps for WV, NJ, GA

    Posted: 29 Apr 2014 05:28 AM PDT

    USGS has released new topographic maps for West Virginia, New Jersey and Georgia.

    The new USGS topos are beautiful. If you want to see a sample we have Mammoth Cave, Kentucky unzipped and ready for you to download as a .pdf document (30 megs). Click here to download. Be sure to zoom in to see the great detail.

    Utica Shale Production Jump

    Posted: 29 Apr 2014 05:24 AM PDT

    During 2013 the Utica Shale saw very large increases in natural gas production, oil production, number of wells drilled and much more.

    Related: Utica Shale well density

    What are Troglobites?

    Posted: 29 Apr 2014 05:20 AM PDT

    Troglobites are small creatures that have adapted to a permanent life in a cave. They are so well adapted to life in a cave that they would be unable to survive in the surface environment. To survive in the darkness troglobites have highly-developed senses of hearing, touch and smell.

    Herkimer Diamond as State Mineral?

    Posted: 29 Apr 2014 05:19 AM PDT

    Today the State Senate of New York is scheduled to vote on a bill that will make the Herkimer Diamond the official state mineral. The name “Herkimer Diamond” is a little misleading – instead of being mineralogical diamonds, they are actually composed of quartz.

    Norway Oil and Gas Report

    Posted: 29 Apr 2014 05:17 AM PDT

    “Norway is an important suppler of oil and natural gas to Europe. Although Norway’s crude oil production has been declining since 2001, Norway has made several new oil field discoveries on the Norwegian Continental Shelf and is focused on increasing oil recovery in producing fields. Norway’s natural gas production declined slightly in 2013 from the previous year; however, the country is the third largest natural gas exporter in the world.” Quoted from the Energy Information Administration country report.

    Industrial Gas Consumers Pay Incredible Rates

    Posted: 29 Apr 2014 05:13 AM PDT

    In North Carolina, a number of industrial natural gas customers had to pay incredible rates for burning natural gas after they were asked to curtail use during the winter gas shortage.

    Recent Landslide Losses in the United States

    Posted: 29 Apr 2014 05:10 AM PDT

    Dave Petley, author of The Landslide Blog, summarizes some recent landslide losses in the United States.

    Mineral Shows: May to August

    Posted: 29 Apr 2014 05:09 AM PDT

    There are hundreds of gem and mineral shows between now and the end of August. The-Vug.com has the largest list of shows on the web. There is probably one near you.

    World Record Fancy Diamonds

    Posted: 29 Apr 2014 05:03 AM PDT

    Some of the largest fancy diamonds in the world have been recently sold or scheduled for auction. “The Blue”, a 13.22 carat vivid blue diamond has an expected price of over $20 million will be sold next month. “The Orange”, a 14.82 carat orange diamond was sold for $35.5 million, and, the “Pink Star”, a 59.60 carat vivid pink diamond was sold for $83 million.

    Paving Roads with Old Tires?

    Posted: 29 Apr 2014 04:49 AM PDT

    “A National Science Foundation scientist is experimenting with “crumb” rubber — ground up tires of different sized particles — and other components to improve the rubberized road materials that a number of states already are using to enhance aging asphalt.” quoted from the NSF press release.

    Rare Melt Events at High Altitude in Greenland

    Posted: 29 Apr 2014 04:43 AM PDT

    In 2012, temperatures at the summit of Greenland rose above freezing for the first time since 1889, raising questions about what led to the unusual melt episode.

    The Cheetah is Not the Fastest Land Animal

    Posted: 29 Apr 2014 04:41 AM PDT

    Yes it is. No it isn’t. It all depends how you measure. In absolute speed, the cheetah is the fastest. But which animal can cover 20x more body lengths per second?

    How the Mexican Earthquake Warning System Works

    Posted: 29 Apr 2014 04:38 AM PDT

    “Before this month’s big rumble, many Mexicans had already filed outside to await the wobble in safety, away from falling ceilings. Nowhere else in the world is able to forecast earthquakes in this way. How do the Mexicans do it?” Quoted from The Economist article.

    TopoPhotos

    Posted: 29 Apr 2014 04:25 AM PDT

    The folks at MyTopo.com are now printing TopoPhotos. They are aerial photographs with contour lines and topographic map annotations lightly superimposed. They give you the advantages of an aerial photograph but also include the elevation, road and place name details of a topographic map. You can use their website to order a TopoPhoto centered anywhere in the United States and have it printed in a variety of sizes in either landscape or portrait orientation. You can print them up to a huge 8′ x 5′ (or 5′ x 8′) in size.

    We are affiliates of MyTopo.com and receive a commission on sales.

  • World’s coastal megacities sinking 10 times faster than rising water levels

    Indiatimes|The Times of India|The Economic Times|
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    World’s coastal megacities sinking 10 times faster than rising water levels

    James Vincent,The Independent | Apr 29, 2014, 11.06 PM IST

    World's coastal megacities sinking 10 times faster than rising water levels
    Rapid urbanisation and associated impacts are leading to increased vulnerability to floods. (Getty Images photo)
    LONDON: Scientists have issued a new warning to the world’s coastal megacities that the threat from subsiding land is a more immediate problem than rising sea levels caused by global warming.

    A new paper from the Deltares Research Institute in the Netherlands published earlier this month identified regions of the globe where the ground level is falling 10 times faster than water levels are rising — with human activity often to blame.

    In Jakarta, Indonesia’s largest city, the population has grown from around half a million in the 1930s to just under 10 million today, with heavily populated areas dropping by as much as six and a half feet as groundwater is pumped up from the Earth to drink.

    The same practice led to Tokyo’s ground level falling by two metres before new restrictions were introduced, and in Venice, this sort of extraction has only compounded the effects of natural subsidence caused by long-term geological processes.

    “Land subsidence and sea level rise are both happening, and they are both contributing to the same problem — larger and longer floods, and bigger inundation depth of floods,” Dr Gilles Erkens, who led the research from Deltares, told the BBC.

    “The most rigorous solution and the best one is to stop pumping groundwater for drinking water, but then of course you need a new source of drinking water for these cities. But Tokyo did that and subsidence more or less stopped, and in Venice, too, they have done that.”

    Unfortunately, human-driven subsidence is having a great affect than natural processes, with rapid urbanization and its associated impacts leading to increased vulnerability to floods.

    Dr Erkens and his team estimate that the financial cost of structural damage and maintenance amounts to around a billion dollars annually and that parts of many megacities – including Jakarta, Ho Chi Minh City, Bangkok and Dhaka – will sink below sea level unless action is taken.

    In the case of Jakarta defences such as a 30-kilometre seawall have been erected to protect the city form flooding, but if this were to break, Deltares have predicted that within 48 hours the homes of nearly one million people would be flooded.

    For other cities though, even this sort of defence is futile, as rising water levels will overrun them first instead.

    The tiny island nation of Maldives (formed from a double chain of 26 atolls) sits just five feet above sea level. Worst-case projections of rising water levels suggest that some 350,000 islanders will have to completely abandon their home before the end of the century, leaving behind a 2,000 year old culture for good.

  • Daily update: SA network operator: Rural communities could quit the grid

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    Daily update: SA network operator: Rural communities could quit the grid

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    Renew Economy editor@reneweconomy.com.au via mail68.us2.rsgsv.net

    3:22 PM (6 minutes ago)

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    Rural communities could quit the grid, RET repeal would be win for incumbents and pain for everyone else, Interview with Sunpower CEO Tom Werner, Oz solar technology hopes to tap $109bn Saudi clean energy bonanza, Axing carbon tax could deliver $40bn budget hit, Renewables as security hedge against Putin and rising fuel costs, Pulling back the veil on EV charging station cost.
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    RenewEconomy Daily News
    The Parkinson Report
    Operator of South Australia networks says rural communities likely to favour renewables-based micro-grids, and forecasts the end of centralised generation and transmission. The business of the future for networks might be building, managing and operating those smaller grids.
    As Dick Warburton refuses to rule out killing the RET, new research finds focus on short-term interests of network incumbents could cause long-term damage to Australia’s electricity market, boosting power bills by $1.4bn a year beyond 2020.
    The head of US-based solar manufacturer and developer SunPower says the company is about to add storage to its solar offerings, and says Australia should be at the leading edge of localised generation market.
    With Australian renewables in limbo, CPV developer Solar Systems is capitalising on Saudi plans to build 41GW of solar capacity over the next two decades.
    Climate Institute says scrapping carbon pricing scheme for Emissions Reduction Fund will have a $24-$40bn fiscal impact on the federal budget to 2020.
    Putin can cut off European gas supplies, but he cannot cut off renewable energy generation.
    Cost-effective solutions are needed to ensure future investment in charging stations.
    Considered a ‘clean coal’ technology, underground coal gasification has a not-so clean record. Are concerns about its environmental impacts
  • Going Nuclear

    Global News and World Report

    Thursday, April 24, 2014

    Going Nuclear

    This is a simplified exercise to visualize what would be required to convert 50% of the world’s electricity to nuclear, the premier low carbon source.
    According to the EIA (Energy Information Administration) latest report, the global generation of electricity in 2010 was 20.2 trillion kWh, and they project that by 2040 total global generation will reach 39.0 trillion kWh.

    So, if we decide to generate 50% of our electrical energy with nuclear (at, say, an average 80% capacity factor), we would require this number of 1 GWe reactors:

    50% of 39.0 trillion kWh is 19.5.

    Let’s convert trillion kWh to GWh by multiplying it by one million:

    We now have 19,500,000 GWh.

    A 1 GWe nuclear plant at 80% capacity factor (CF) produces, on an annual basis:

    1GWe x 0.80CF x 24 hrs x 365 days = 7,008 GWh.

    Thus, we would need this number of reactors by 2040:

    19,500,000 / 7,008 = 2,783.

    Simplifying thing a little, let’s consider that half of the current nuclear plants will still be in operation by 2040. According to the EIA, nuclear supplied 2.6 trillion kWh in 2010. This would correspond to the equivalent of 371 1 GWe reactors at 80% CF. If half of these are in operation by 2040, we can subtract 186 from the number calculated above, thus we get:

    2,783 – 186 = 2,597 new nuclear reactors.

    If we have 30 years to build them, it would require the commissioning of:

    2,597 / 30 = 87 nuclear reactors EVERY year for 30 CONSECUTIVE years.

    And again, let’s remember that the above effort would only yield 50% of our global electricity and around 25% of our total energy consumption by 2040.

    At the end of the day we have to differentiate what is possible, from what is probable.

    The probability of this nuclear build up taking place by 2040 is, in my humble opinion, less than zero.

    Feel free to add to the conversation.

    Thank you.

    EIA electricity projections from their latest report:

    Notes:
    1. By 2040, only ~50% of our energy consumption will be electricity.
    2. There is no such thing as a global grid, so the real life implementation would be more complicated than pictured above.
    3. Sure, many questions need to be answered, starting with determining if we even have the manufacturing capacity required to make such a ramp up.
    4. Nuclear has a serious advantage over RE (sun and wind): it is baseload, reliable power.
    5. Of the renewable power in 2040, fully 65% is estimated to be hydro.
    6. Yes, there are reactors bigger and smaller than 1 GWe, we are considering all of them at 1 GWe to simplify.

  • I Energy Storage Special Edition: SunPower on solar, storage (r .evolution

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    Energy Storage Special Edition: SunPower on solar, storage (r

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    RenewEconomy editor@reneweconomy.com.au via mail68.us2.rsgsv.net

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    In depth interview on solar and storage with SunPower CO Tom Werner; the divide between those who think the electricity grid will go the way of the Post Office, and those who think we can’t do without it, is deepening. Plus: The race to offer easy add-on storage for solar; Ergon’s big energy storage plans; why solar plus storage should be big in western Sydney; the next step for the solar industry; New York City’s exciting new energy storage example; EVs and energy storage; and New York’s new energy focus.
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    RenewEconomy Daily News
    The Parkinson Report
    The head of US-based solar manufacturer and developer SunPower says the company is about to add storage to its solar offerings, and says Australia should be at the leading edge of localised generation market.
    The plunging cost of rooftop solar, the anticipated fall in battery costs, and the potential ability to buy a home energy system from the local hardware store, is causing a split between those that believe the grid will follow in the footsteps of the Post Office, and those that insist we can’t do without it.
    Thousands of households with rooftop solar PV are getting only 8-10c/kWh for exports, while paying up to 30-50c for energy in peak periods.
    Queensland’s Ergon Energy is about to set an energy storage capacity target for 2020 as it seeks to move its business model away from a sole reliance on poles and wires, and adapt to the decreasing costs of local generation.
    New suburbs and housing estates in western Sydney should have solar plus storage at the core of energy supply. That will save costs for everyone.
    Leasing packages that combine storage with solar will appeal to Australian households, providing an opportunity to manage consumption and provide certainty over bills.
    New York City’s Metropolitan Transit Authority has installed three CellCube vanadium flow batteries at its lower Manhattan headquarters.
    When and how will we be able to use EVs to store energy from our solar PV system and provide mobility and power our homes?
    New York instructs utilities to meet needs of a distributed, consumer-focused energy system. Sa
  • Young People’s Day in Court: Part II HANSEN

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    Young People’s Day in Court: Part II

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    James Hansen via mail63.atl51.rsgsv.net

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     Young People’s Day in Court: Part II
    Young People’s Day in Court: Part II, also available on my web site, discusses a change in the Court’s plan and what young people should ask of the government.

    ~Jim
    29 April 2014

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