By Mark Ballora, Associate Professor, School of Music, Penn State and
Matt Kenney M.F.A. (New Media), School of Visual Arts, Penn State
Data supplied by David Pollard, Senior Scientist, Earth and Environmental Systems Institute Penn State College of Earth and Mineral Sciences
Variations in solar energy
Sonification: a high shimmery sound pitch and brightness reflect energy levels; higher pitch and more shimmer = higher energy levels
Departure of solar radiation from modern value (incoming sunlight above the atmosphere, W/meter2) at 80 degrees South, averaged over the month of January (Southern Hemisphere summer). Cycles every 26,000 years. Due to gravitational pull from other planets (Milankovitch cycles)
Polar ice is either grounded (resting on the earth) or floating (extending from the grounded ice like an upper shelf). This sonification combines grounded and floating values.
Sonification: a crackling sound, meant to resemble ice clinking in a glass Ice volume reflected in
Surface area is reflected in:
Ice volume (km3). Blue – grounded. Red – floating.
Ice area (km2). Blue – grounded. Red – floating.
Temperature of the ice at its base, where it makes contact with the earth.
Sonification – 2 layers: buzzing (a filtered sawtooth) and low rumble (filtered noise)
Basal temperatures (temperatures at the base of grounded ice, °C
Sonification – resembles water droplets
Sea level is reflected in the droplet rate and loudness – higher sea levels = faster, louder droplets
Sea level (m) relative to modern. The result of variations in Northern Hemisphere ice sheets
A combination of the six files described above.