Challenges of modeling depth-integrated marine primary productivity over multiple decades: A case study at BATS and HOT by Saba, V, Friedrichs, M, Carr, M, Antoine, D, Armstrong, R, Asanuma, I, Aumont, O, Bates, N, Behrenfeld, M, Bennington, V, Bopp, L, Bruggeman, J, Buitenhuis, E, Church, M, Ciotti, A, Doney, S, Dowell, M, Dunne, J, Dutkiewicz, S, Gregg, W, Hoepffner, N, Hyde, K, Ishizaka, J, Kameda, T, Karl, D