- Nelson W. Spencer Lecture
- Weekly Seminar
- Student Forum hosted by Steven Clarke
- Weekly Seminar
- The MESSENGER FIPS After Party
Nelson W. Spencer Lecture
November 5, 2015 - 3:30 pm
Dr. Genene Fisher, the Executive Officer at National Centers for Environmental Prediction, will present the 2015 Nelson W. Spencer Lecture.
Sign up to watch online here: http://tinyurl.com/Spencer2015
Title: Impact of Policy on Space Weather Services and Science
Space weather impacts technology we rely on every day: satellites, GPS, aviation, and electric power grids. Rapid advances in space-based technology and widespread dependence on these systems have made society more vulnerable than ever to space weather. Changes in policy have led to increasing use of polar routes for aviation, increasing dependence on GPS, and an increasing vulnerability as the power grid becomes more interconnected—all which have resulted in a greater need for improved space weather forecasts and services. To respond to these changes, NOAA has implemented new forecast capabilities and products to better meet the needs of its diverse customer base.
This presentation will discuss the role policy decisions have had on space weather services and science; how NOAA is working with industry, academia, and agency partners on preparing and responding to space weather events; and some challenges that still remain for the future.
Dr. Genene Fisher is the Executive Officer for the National Centers for Environmental Prediction (NCEP), which is part of the National Oceanic and Atmospheric Administration’s National Weather Service (NWS). She is responsible for a broad spectrum of scientific, financial, and administrative activities for NCEP’s nine centers which provide national and global operational weather, water, climate, and space weather products and services. In the NCEP Office of the Director, Dr. Fisher oversees strategic planning, financial management, personnel management, policy, and interagency and international issues.
From 2011-May 2015, Dr. Fisher served as the NWS Senior Advisor for Space Weather. In this position, she advised NOAA leadership and federal agency executives on space weather technical and policy issues in preparation for domestic and international strategy and policy formulation. She integrated space weather operations into agency policies and procedures and expanded space weather activities within NWS HQ. She also served as the co-chair for the U.S. National Space Weather Program Committee on Space Weather.
Prior to joining NOAA, Fisher spent ten years as a Senior Policy Fellow at the American Meteorological Society (AMS) Policy Program, where she focused on science policy issues and societal impacts of weather and climate. Fisher worked closely with industry on how to integrate space weather information into operations. She routinely met with policy makers to highlight the importance of atmospheric and space weather science and offered recommendations on how to reduce adverse impacts to user systems. She successfully expanded space weather activities within the AMS, resulting in the formation of the formal Space Weather Committee and the annual Space Weather Conference. At the AMS, she also developed science policy curriculum material to educate the next generation of scientists in the policy process and taught science policy courses as an adjunct professor at several universities.
Fisher received a PhD in Atmospheric and Space Science and a Master of Public Policy from the University of Michigan. She also has a B.A. in Planetary and Space Sciences from Boston University.close
November 12, 2015 - 3:30 pm
Dan Feldman of Lawrence Berkeley will present a seminar.
Title: The Potential for a Positive Feedback from Far-‐Infrared Surface Emissivity
At least half of Earth’s infrared emission occurs at wavelengths greater than 15 μm, and yet this spectral region, often referred to as the far-‐infrared, is essentially unmeasured. Rather, measurements at other wavelengths are used to infer the processes that control radiative energy exchange in the far-‐infrared. This talk explores how far-‐infrared surface emissivity exerts a strong influence on the infrared energy budget where the precipitable water vapor is less than 1 mm, which is common at high latitudes and high altitudes. Inferring far-‐infrared surface emissivity without direct observations is challenging.
Detailed radiative transfer calculations based on published indices of refraction of ice, water, and common surficial minerals indicate that non-‐ frozen surfaces have a lower far-‐infrared emissivity than frozen ones by between 0.1 and 0.2. We present several ground and aircraft far-‐infrared spectral observations that corroborate these calculations. The theory and limited observations suggest the potential for a positive ice-‐emissivity feedback, whereby melting surfaces are less emissive, leading to amplified high latitude and altitude warming.
Because the representation of surface emissivity in climate models is highly-‐simplified and based on ideal black-‐body emission, this talk will conclude with the presentation of efforts to build more realistic surface emissivity representation into the Community Earth System Model (CESM). These efforts may enable us to quantify the ice-‐emissivity feedback formally.
Bio: Feldman's research focuses on the nexus of climate modeling and remote sensing. He develops algorithms that allow for the direct comparison of climate models with satellite instrument observations of shortwave and longwave spectra and uses this information to ask questions such as how long of an observational record is needed to detect changes in the climate system and whether or not that record can be used to differentiate between the results of climate models with varying forcing and feedback strengths.close
Student Forum hosted by Steven Clarke
November 18, 2015 - 3:30 pm
Steven W. Clarke, the Director of the Heliophysics Division in the Science Mission Directorate at NASA, will present on "What I wish I knew about space science and engineering when I was a student."close
November 19, 2015 - 3:30 pm
Ayumi Manome of U-M will present a seminar.
Title: Ice-ocean/lake model development for climate research and operational ice forecasts: Application to the Laurentian Great Lakes
Ice in oceans/lakes has a broad spectrum of consequences, from being a key player in the global radiation balance and the oceanic conveyer belt to causing coastal hazards to ship navigation. This presentation will discuss the importance of ice processes in the regional oceans and lakes. The main focus will be given to the Laurentian Great Lakes, where lake ice turns this world’s largest freshwater system into our closest cryosphere.
In the context of climate change and climate variability, Great Lakes ice has experienced a long-term decline with strong year-to-year variability. Using numerical models, this presentation will discuss how this change and variability could impact lake circulation, stratification, and evaporation in the Great Lakes. The effort to implement an ice model in the operational Great Lakes forecasts will be also presented.close
The MESSENGER FIPS After Party
November 30, 2015 - 3:30 pm
Join Climate & Space and SPRL as we celebrate the MESSENGER mission and thank all of the people who contributed to the mission’s success!
MESSENGER launched in August 2004 to study Mercury's chemical composition, geology, and magnetic field. It carried the Fast Imaging Plasma Spectrometer, also known as FIPS, which was built at the U-M Space Physics Research Laboratory (SPRL).
Nearly 75 people – faculty members, engineers and students – have been involved over the years in either making FIPS or analyzing data it sent back. FIPS was a soda can-sized sensor that identified what electrically charged particles made up Mercury’s ultrathin atmosphere and magnetosphere.
This event will include remarks from Associate Dean Dawn Tilbury and Professors Brian Gilchrist and Thomas Zurbuchen.
Please come and celebrate with us as we congratulate the MESSENGER FIPS team on a job well done!
Attendees are encouraged to watch these two videos about FIPS:
FIPS in the beginning: https://www.youtube.com/watch?v=F5jbHPxEW3s
FIPS at the end: https://www.youtube.com/watch?v=QZxrjaDg0Ns
Image Credit: NASAclose