Description: Lecture, two hours; laboratory, two hours. Requisites: Earth, Planetary, and Space Sciences 71 (or Civil Engineering M20 or Program in Computing 10A); Mathematics 3A, 3B, or 31A, 31B; Physics 1A or 5A or 6A. Students gain basic ability to understand, conduct, and communicate scientific research in atmospheric and oceanic sciences. Univariate and bivariate statistical data analysis, scientific computer programming, basics of scientific process, finding and reading scientific literature, basic experimental techniques, Earth system data analysis and visualization, and communication of scientific findings in oral and written form. Skills taught in context of projects from atmospheric and oceanic sciences. P/NP or letter grading.