A. R. Friedman, M. A. Bollasina, G. Gastineau, and M. Khodri (2021). Increased Amazon basin wet-season precipitation and river discharge since the early 1990s driven by tropical Pacific variability. Environmental Research Letters, 16, 034033. DOI: 10.1088/1748-9326/abd587

A. Schurer, A. P Ballinger, A. R. Friedman, and G.C. Hegerl (2020). Human influence strengthens the contrast between tropical wet and dry regions. Environmental Research Letters, 15, 104026. DOI: 10.1088/1748-9326/ab83ab

A. R. Friedman, G. C. Hegerl, A. P. Schurer, S.-Y. Lee, W. Kong, W. Cheng, and J. C. H. Chiang (2020). Forced and unforced decadal behavior of the interhemispheric SST contrast during the instrumental period (1881–2012): contextualizing the late 1960s–early 1970s shift. Journal of Climate, 33, 3487–3509. DOI: 10.1175/JCLI-D-19-0102.1

Hegerl, G. C., S. Brönnimann, T. Cowan, A.R. Friedman, E. Hawkins, C. Iles, W. Müller, A. Schurer, and S. Undorf (2019). Causes of climate change over the historical record. Environmental Research Letters, 14, 123006. DOI: 10.1088/1748-9326/ab4557

G. Reverdin, A. R. Friedman, L. Chafik, N. P. Holliday, T. Szekely, H. Valdimarsson, I. Yashayaev (2019). North Atlantic extratropical and subpolar gyre variability during the last 120 years: a gridded dataset of surface temperature, salinity, and density. Part 1: dataset validation and RMS variability. Ocean Dynamics, 69, 385–403. DOI: 10.1007/s10236-018-1240-y [full text] [data]

G. Gastineau, A. R. Friedman, M. Khodri, and J. Vialard (2019). Global ocean heat content redistribution during the 1998–2012 Interdecadal Pacific Oscillation negative phase. Climate Dynamics, 53, 1187–1208. DOI: 10.1007/s00382-018-4387-9 [full text] [Correction]

G. Reverdin, H. Valdimarsson, G. Alory, D. Diverres, F. Bringas, G. Goni, L. Heilmann, L. Chafik, T. Szekely, and A. R. Friedman (2018). North Atlantic subpolar gyre along predetermined ship tracks since 1993: a monthly data set of surface temperature, salinity, and density. Earth System Science Data, 10, 1403–15. DOI: 10.5194/essd-10-1403-2018

A. R. Friedman, G. Reverdin, M. Khodri, and G. Gastineau (2017). A new record of Atlantic sea surface salinity from 1896–2013 reveals the signatures of climate variability and long-term trends. Geophysical Research Letters, 44, 1866–1876. DOI: 10.1002/2017GL072582 [article pdf] [supp. info pdf] [GRL Editors’ Highlight] [CNRS INSU news piece (French)] [Erratum] [data]

P. Rogé, A. R. Friedman, M. Astier, and M. A. Altieri (2014). Farmer Strategies for Dealing with Climatic Variability: A Case Study from the Mixteca Alta Region of Oaxaca, Mexico. Agroecology and Sustainable Food Systems, 38, 786-811. DOI: 10.1080/21683565.2014.900842 [time series data (tar)]

A. R. Friedman, Y.-T. Hwang, J. C. H. Chiang, and D. M. W. Frierson (2013). Interhemispheric Temperature Asymmetry over the 20th Century and in Future Projections. Journal of Climate, 26, 5419–5433. DOI: 10.1175/JCLI-D-12-00525.1 [pdf] [Nature Geoscience research highlight] [Climate Central article] [time series data (tar)]

J. C. H. Chiang, and A. R. Friedman (2012). Extratropical Cooling, Interhemispheric Thermal Gradients, and Tropical Climate Change. Annual Reviews of Earth and Planetary Sciences, 40, 383-412. DOI: 10.1146/annurev-earth-042711-105545 [pdf]

C.-Y Chang, J. C. H. Chiang, M. F. Wehner, A. R. Friedman, and R. Ruedy (2011). Sulfate aerosol control of Tropical Atlantic climate over the 20th century. Journal of Climate, 24, 2540-2555. DOI: 10.1175/2010JCLI4065.1