26 lines
2.4 KiB
XML
26 lines
2.4 KiB
XML
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<channel>
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<title>Dendroalsia</title>
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<link>https://www.dendroalsia.net/</link>
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<description>Recent content on Dendroalsia</description>
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<generator>Hugo</generator>
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<language>en-us</language>
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<lastBuildDate>Mon, 14 Oct 2024 19:13:18 +0000</lastBuildDate>
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<title>River level charts</title>
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<link>https://www.dendroalsia.net/blog/riverlevelcharts/</link>
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<pubDate>Mon, 14 Oct 2024 19:13:18 +0000</pubDate>
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<guid>https://www.dendroalsia.net/blog/riverlevelcharts/</guid>
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<description><p>I&rsquo;m interested in rivers (both ecologically and recreationally) and I want to know</p>
<ul>
<li>what water level different rivers are currently at</li>
<li>how does that compare to their water levels throughout the year and in their recent history</li>
</ul>
<p>In the US, the United States Geologic Survey (USGS) maintains a large set of realtime water level sensors, and that dataset is queriable through an API. So I wrote these scripts that take a set of rivers and their associated gauge IDs, downloads the recent and historical data and generates a bunch of graphs.</p></description>
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</item>
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<item>
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<title>Pretty rivers</title>
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<link>https://www.dendroalsia.net/blog/prettyrivers/</link>
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<pubDate>Mon, 01 Jan 2024 19:13:02 +0000</pubDate>
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<guid>https://www.dendroalsia.net/blog/prettyrivers/</guid>
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<description><p>I like maps that isolate different natural features. And I think that rivers make pretty patterns. So I made a series of scripts that generates a pretty map of rivers. I hope to print the maps of places that are important to me as art.</p>
<p>The code that generates these maps is here: <a href="https://git.dendroalsia.net/ben/pretty_rivers">https://git.dendroalsia.net/ben/pretty_rivers</a></p>
<p>One key to making the map visually appealing, is setting the width of the river relative to the upstream watershed area. The USGS data includes that watershed area, and through trying different options, I found that this ratio worked well:</p></description>
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