Hydrology and Earth System Sciences

{{Infobox journal

| title = Hydrology and Earth System Sciences

| cover = HESS_cover.png

| former_name =

| abbreviation = Hydrol. Earth Syst. Sci.

| discipline = Hydrology

| editor = Theresa Blume, Alberto Guadagnini

| publisher = Copernicus Publications on behalf of the European Geosciences Union

| country =

| history = 1997-present

| frequency = Monthly

| openaccess = Yes

| license = Creative Commons Attribution 4.0

| impact = 6.617

| impact-year = 2021

| ISSN = 1027-5606

| eISSN = 1607-7938

| CODEN = HESSCF

| JSTOR =

| LCCN = 00220422

| OCLC = 54681644

| website = http://www.hydrology-and-earth-system-sciences.net/

| link1 = http://www.hydrol-earth-syst-sci.net/volumes.html

| link1-name = Online access

| link2 =

| link2-name =

}}

Hydrology and Earth System Sciences is a monthly peer-reviewed open access scientific journal that covers research in hydrology and related fields like water resource management. The journal is published by Copernicus Publications on behalf of the European Geosciences Union. It was established in 1997 and the editors-in-chief are Theresa Blume (German Research Centre for Geosciences) and Alberto Guadagnini (Polytechnic University of Milan).