Sage Lichtenwalner

  • White is often used as the neutral color in divergent colormaps, when you’re tryign to show the distance to two extremes from a common mid point. (See, for example this EOS article and the often cited Colorbrewer […]

  • Let’s be honest. This image won’t be winning any design awards. In fact, it’s not much more than a rehash of an example script for Reingold-Tilford Trees, though I did have to delve into some intricacies of […]

  • What a difference a week makes.

    Late last week, the waters off New Jersey were between 5-15 degrees below normal thanks a persistent pattern of coastal welling in which warmer surface waters were pushed […]

  • A little while back, I received the following question from a Visual Ocean visitor, and thought it would be fun to answer it as a post.

    When might satellite sst data be more informative than buoy data?

    The […]

  • To celebrate Independence Day, I thought it would be fun to dress up the ocean in a little red, white and blue.

    If you’re curious, the image above represents the gradient of sea surface temperature (SST) at […]

  • I recommend checking out the NRC’s “A Framework for K-12 Education,” which served as the driving philosophy behind the NGSS. Specifically the summary section should give you a good idea of the proposed changes. […]

  • This week, was the start of the 2013 Hurricane Season, and already forecasters have declared the first storm of the season. So with one week down, I’d say we’re on track to meet NOAA’s prediction of an active […]

  • If you’re a science educator, unless you’re a troglodyte (which let’s face it, every department has at least one of), you’ve probably been paying attention to the development of the Next Generation Science […]

  • Thanks Bruce for catching that. I’ve fixed the text above.

    One of the problems of analyzing various time periods is that you can sometimes confuse them. The graph above was created with an 8+ year dataset, but […]

  • Rivers play an important role in our ecosystem. They provide water for drinking and irrigation of crops, a habitat for fish and other organisms, and routes to easily transport goods. For these reasons and […]

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    The task of monitoring the nation’s numerous streams and rivers falls to the United States Geological Survey. The USGS maintains a large network of instruments that record streamflow, water height, […]

  • Scientists who study river streamflow do not have an easy job. Unlike many weather measurements like temperature, pressure or humidity that change with more predictable variation throughout the course of a […]

  • Every time it rains there is a potential for flooding to occur. This is especially true after major storms. It’s also common in the spring when snow melts at higher elevations, causing mountainous streams to […]

  • It’s April. And while the cold temperatures here in New Jersey make it feel like spring hasn’t quite yet arrived, the flowers are starting to poke through the ground, reminding us that spring is coming, and with […]

  • It is often said in Pennsylvania that March comes in like a lion and goes out like a lamb. And while this March felt more like a ride on an Arctic roller-coaster that wouldn’t end, the good news is that, based […]

  • In ocean education, it’s often a challenge to convey how humans and the ocean are connected. One good place to start is where people live. By highlighting how many people live at or near the coast, the […]

  • It has been a rough winter in New Jersey, especially on the coast. First, Post Tropical Storm Sandy struck Atlantic County on October 29th 2012, becoming the costliest natural disaster in New Jersey’s […]

  • Every day, the National Weather Service issues countless official forecasts and warnings, relying on a large network of land and ocean sensors to provide up-to-the-minute observations of the weather around the […]

  • Last week a major snowstorm travelled across the continental United states, becoming a strong nor’easter over the Mid-Atlantic. While snowfall amounts in New Jersey were far less than some had predicted, the […]

  • This would be awesome. You could always start with “painting by number,” where students develop their own color palette to visualize a set of data. I would think this might be a fun way to delve into discussions […]

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