• Dust photos

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    #462708

    You may have heard about a bit of dust in Australia in the last day or so.

    NASA images. In Griffith, we had it a day earlier. I thought it was a bit redder than the image show. You can see how widespread the storm was. There is some talk about ‘raised dust’ for us tomorrow as well.

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    • #1178513

      According to an expert on the news last night, this involved several million tons of topsoil!

      Down here in Victoria it is cold and wet, so we missed out this time.

      • #1178514

        … this involved several million tons of topsoil! …

        Darwin must be churning in his grave (an oblique reference to his book on worms!)

    • #1178515

      … NASA images …

      This turned up in the Boston Globes essay
      http://www.boston.com/bigpicture/2009/09/d…_australia.html

    • #1178693

      You may have heard about a bit of dust in Australia in the last day or so.

      NASA images. In Griffith, we had it a day earlier. I thought it was a bit redder than the image show. You can see how widespread the storm was. There is some talk about ‘raised dust’ for us tomorrow as well.

      I saw the image but where is this dust coming from? At first, I thought it was left over from the fires because of the way the NASA picture looked. Here I’m complaining about Tazzy shedding and you guys are worse off.

      • #1178856

        I saw the image but where is this dust coming from? At first, I thought it was left over from the fires because of the way the NASA picture looked. Here I’m complaining about Tazzy shedding and you guys are worse off.

        The dust came from the Lake Eyre Basin, apparently. But it is hard to know. There are always areas of drought and areas of flood and fire in Australia. A simplistic answer, I know. Even though there is water in Lake Eyre at the moment, there are large swathes of land that have not had moisture on them for a long time.

        I said that we were expecting more ‘raised dust’ and apparently we got it. I ducked down to Melbourne for the weekend and was cold and wet. But now that I am home, the windows show a story that prove that the predictions were true.

        It has been so dry for so long (about 7 years for us) that there is no subsoil moisture anymore. Any wind will whip up the topsoil and strip it and send it on its way to wherever. We get red dust from the north and west and we get white dust from the south and south west. Spring is the worst time and we can get a storm every couple of days.

        • #1178892

          The dust came from the Lake Eyre Basin, apparently. But it is hard to know. There are always areas of drought and areas of flood and fire in Australia. A simplistic answer, I know. Even though there is water in Lake Eyre at the moment, there are large swathes of land that have not had moisture on them for a long time.

          I said that we were expecting more ‘raised dust’ and apparently we got it. I ducked down to Melbourne for the weekend and was cold and wet. But now that I am home, the windows show a story that prove that the predictions were true.

          It has been so dry for so long (about 7 years for us) that there is no subsoil moisture anymore. Any wind will whip up the topsoil and strip it and send it on its way to wherever. We get red dust from the north and west and we get white dust from the south and south west. Spring is the worst time and we can get a storm every couple of days.

          Seems very reminiscent of the mid-West dust-bowl in Oklahoma and Texas in the 1930s (different colour dust, though). Thus The Grapes of Wrath

          BATcher

          Plethora means a lot to me.

          • #1178942

            The Grapes of Wrath

            I thought that was Portnoy’s Complaint?
            SPOILER:The Gripes of Roth

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