astronomy

Helen Fricker

Helen Fricker is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Helen Fricker rather than just read about it. In short: Helen Amanda Fricker (born 1969) is a glaciologist and professor at Scripps Institution of Oceanography at the University of California, San Diego where she is a director of the Scripps Polar Center. She won the 2010 Martha T.

Key takeaways

Helen Fricker belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Helen Fricker to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Helen Fricker from memory before moving on to harder problems.

Reference excerpt

Helen Amanda Fricker (born 1969) is a glaciologist and professor at Scripps Institution of Oceanography at the University of California, San Diego where she is a director of the Scripps Polar Center. She won the 2010 Martha T. Muse Prize for Science and Policy in Antarctica.

Early life and education Helen attended Altrincham Grammar School for Girls, where she encountered Melissa Lord, a brilliant and passionate female physics teacher who steered her onto the path of becoming a scientist. In 1991, she received her B.Sc. in Mathematics and Physics from University College London (UCL), with first-class honours. In her final year at UCL, she took an Earth science course from a lecturer, Chris Rapley, who was leader of the Remote Sensing Group at UCL and would later become the director of the British Antarctic Survey. Chris Rapley, encouraged her to do a dissertation on using remote-sensing data to track icebergs in the Antarctic during her final year. This course turned her attention toward Antarctica — and got her started on a career in glaciology. She earned her Ph.D. in glaciology from the Institute of Antarctic and Southern Ocean Studies, University of Tasmania, Australia in 1998. In 1999, Fricker began her work at the Scripps Institution of Oceanography as a postgraduate researcher. Fricker is now a professor of geophysics in the Cecil H. and Ida M. Green Institute of Geophysics and Planetary Physics at Scripps Institution of Oceanography at UC San Diego. She and her husband Glyn Fricker have three daughters.

Career and impact Fricker has authored over 130 publications relating to the satellite remote sensing of Antarctica's ice shelves and active subglacial lakes. Fricker is widely recognized for her discovery of active subglacial lakes using ICESat laser altimetry, and she has shown that these lakes form dynamic hydrologic systems, where one lake can drain into another in a short period of time. Fricker was the first to describe Lake Whillans in 2007, an active subglacial lake in West Antarctica, which was subsequently the first such environment to be sampled and found to contain life. She is also known for her innovative research into Antarctic ice shelf mass budget processes such as iceberg calving and basal melting and freezing. Her research focuses on ice sheets in Antarctica and Greenland and their role in the climate system and on subglacial hydrology. She uses a combination of satellite radar and laser altimetry and other remote-sensing data to understand ice sheet processes. Some specific processes Fricker investigates include subglacial hydrology by monitoring the activity of subglacial lakes under the ice streams, ice flexure from tidal activity in the grounding zone, basal melting and freezing under the ice shelves, and the propagation and evolution of active ice shelf rifts, which eventually lead to iceberg calving. Fricker was one of the primary investigators on the Whillans Ice Stream Subglacial Access Research Drilling (WISSARD) project, which became the first group to drill into an Antarctic subglacial lake, Subglacial Lake Whillans, in 2013 Fricker has held numerous positions relating to her study of the cryosphere, including Chair of AGU's Cryospheric Sciences Focus Group from 2004 to 2006, Elected Member of the NASA ICESat Science Team from 2006–present, as part of the Ice, Cloud and land Elevation (ICESat) mission from 1999–present and the ICESat-2 Science Definition Team and the NASA Sea Level Change Team. She has been Science Team lead for ICESat-2 since May 2023. She co-chairs the Scripps Polar Center at Scripps Institution of Oceanography along with Fiamma Straneo. The Fricker Ice Piedmont was named after her by the British Antarctic Place-names Committee in 2020.

Awards and honors Fricker received the Royal Tasmania Society Doctoral Award for her PhD in 2001. She received the NASA Group Achievement Award for her role in the Ice, Cloud, and Land Elevation Satellite (ICESat) Mission Development Team in 2004. In 2010, she was awarded the Martha T. Muse Prize for Science and Policy in Antarctica by the Tinker Foundation and the Scientific Committee on Antarctic Research She was elected Fellow of the American Geophysical Union in 2017. She was awarded the Seligman Crystal by the International Glaciological Society in 2024.

References

External links Helen Fricker publications indexed by Google Scholar

Worked examples

Example 1 — a first encounter with Helen Fricker

Start with the simplest possible case. Write down what Helen Fricker claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Helen Fricker before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Helen Fricker ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Helen Fricker

In research: Helen Fricker appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Helen Fricker in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Helen Fricker is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1969 births, 21st-century American women, Alumni of University College London, so understanding it makes those chapters shorter.
In everyday life: Look for Helen Fricker outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Helen Fricker in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Helen Fricker means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Helen Fricker out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Helen Fricker in simple terms?

Why does Helen Fricker matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Helen Fricker?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Helen Fricker.