PACE embarks on a three-year mission equipped with three sophisticated instruments– the Ocean Color Instrument (OCI), the Spectro-polarimeter for Planetary Exploration (SPEXone), and the Hyper-Angular Rainbow Polarimeter (HARP2). This powerful arsenal will meticulously collect data on clouds, aerosols (tiny particles suspended in the atmosphere), and phytoplankton, the microscopic algae that form the base of the marine food web.
One of the mission’s key objectives is to understand the interaction between the ocean and the atmosphere. By measuring the color and intensity of light reflected from Earth’s surface, PACE will provide scientists with unprecedented insights into the types and distribution of phytoplankton. This information is crucial, as these tiny organisms play a vital role in absorbing carbon dioxide, a major greenhouse gas. Understanding their health and growth patterns is essential for predicting and mitigating the impacts of climate change.
But PACE’s gaze extends beyond the ocean’s surface. The mission will also delve into the mysteries of the atmosphere, meticulously characterizing aerosols. These airborne particles can influence cloud formation, impacting Earth’s energy balance and potentially even influencing phytoplankton growth. By unraveling the complex interactions between aerosols, clouds, and the ocean, PACE will provide invaluable data for improving climate models and air quality predictions.
“This is a wonderful mission that is going to tell us about the health of our oceans and the quality of the air that we breathe,” said Nicky Fox, head of science at NASA. “I’m just excited about the new way we’re going to be looking at our planet,” she continued.
Indeed, PACE is poised to revolutionize our understanding of Earth’s interconnected systems. The data it collects will not only benefit scientific research but also have tangible applications for various sectors, including fisheries management, disaster preparedness, and public health. As PACE orbits our planet, collecting its invaluable data, we can anticipate not only groundbreaking discoveries but also a deeper appreciation for the complex and interconnected wonders of our home.
©️ Rocky Mountain Dispatch 2024
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