Merge pull request #8 from smolins/master

added 3 references for ATS

static/ats.bib

@@ -284,3 +284,41 @@ @Article{Hamm-Frampton:2021
   note    = {submitted},
   doi     = {10.5194/tc-2021-60}
 }
+
+
+@article{ozgen-xian_understanding_2023,
+	author = {Özgen-Xian, Ilhan and Molins, Sergi and Johnson, Rachel M. and Xu, Zexuan and Dwivedi, Dipankar and Loritz, Ralf and Mital, Utkarsh and Ulrich, Craig and Yan, Qina and Steefel, Carl I.},
+        title = {Understanding the hydrological response of a headwater-dominated catchment by analysis of distributed surface–subsurface interactions},
+        journal = {Scientific Reports},
+	year = {2023},
+        volume = {13},
+       	number = {1},
+        pages = {4669},
+        doi = {10.1038/s41598-023-31925-w},
+	issn = {2045-2322},
+}
+
+
+@article{xu_understanding_2022,
+	author = {Xu, Zexuan and Molins, Sergi and Özgen-Xian, Ilhan and Dwivedi, Dipankar and Svyatsky, Daniil and Moulton, J. David and Steefel, Carl},
+        title = {Understanding the {Hydrogeochemical} {Response} of a {Mountainous} {Watershed} {Using} {Integrated} {Surface}-{Subsurface} {Flow} and {Reactive} {Transport} {Modeling}},
+	journal = {Water Resources Research},
+	year = {2022},
+	volume = {58},
+	number = {8},
+	pages = {e2022WR032075},	
+	doi = {10.1029/2022WR032075},
+        issn = {1944-7973},
+}
+
+@article{molins_multicomponent_2022,
+	title = {A {Multicomponent} {Reactive} {Transport} {Model} for {Integrated} {Surface}-{Subsurface} {Hydrology} {Problems}},
+	author = {Molins, Sergi and Svyatsky, Daniil and Xu, Zexuan and Coon, Ethan T. and Moulton, J. David},
+        journal = {Water Resources Research},
+	year = {2022},
+	volume = {58},
+	number = {8},
+	pages = {e2022WR032074},
+	doi = {10.1029/2022WR032074},
+        issn = {1944-7973},
+}