Add DOIs to JOSS paper references

paper/paper.bib

@@ -23,6 +23,7 @@ @article{AMReX:IJHPCA
 }
 
 @article{chapman:85,
+  doi = {10.1175/1520-0485(1985)015<1060:NTOCSO>2.0.CO;2},
   title={Numerical treatment of cross-shelf open boundaries in a barotropic coastal ocean model},
   author={Chapman, David C},
   journal={Journal of Physical oceanography},
@@ -43,6 +44,7 @@ @article{flather:76
 }
 
 @article{marchesiello:01,
+  doi = {10.1016/s1463-5003(00)00013-5},
   title={Open boundary conditions for long-term integration of regional oceanic models},
   author={Marchesiello, Patrick and McWilliams, James C and Shchepetkin, Alexander},
   journal={Ocean modelling},
@@ -54,6 +56,7 @@ @article{marchesiello:01
 }
 
 @article{orlanski:76,
+  doi = {10.1016/0021-9991(76)90023-1},
   title={A simple boundary condition for unbounded hyperbolic flows},
   author={Orlanski, I\_},
   journal={Journal of computational physics},
@@ -65,12 +68,14 @@ @article{orlanski:76
 }
 
 @article{umlauf:03,
+  doi = {10.1357/002224003322005087},
   title={A generic length-scale equation for geophysical turbulence models},
   author={Umlauf, Lars and Burchard, Hans},
   year={2003}
 }
 
 @article{warner:05,
+  doi = {10.1029/2004jc002691},
   title={Numerical modeling of an estuary: A comprehensive skill assessment},
   author={Warner, John C and Geyer, W Rockwell and Lerczak, James A},
   journal={Journal of Geophysical Research: Oceans},
@@ -81,6 +86,7 @@ @article{warner:05
 }
 
 @article{shchepetkin.mcwilliams:05,
+  doi = {10.1016/j.ocemod.2004.08.002},
   title={The regional oceanic modeling system (ROMS): a split-explicit, free-surface, topography-following-coordinate oceanic model},
   author={Shchepetkin, Alexander F and McWilliams, James C},
   journal={Ocean modelling},
@@ -92,6 +98,7 @@ @article{shchepetkin.mcwilliams:05
 }
 
 @article{haidvogel.ea:08,
+  doi = {10.1016/j.jcp.2007.06.016},
   title={Ocean forecasting in terrain-following coordinates: Formulation and skill assessment of the Regional Ocean Modeling System},
   author={Haidvogel, Dale B and Arango, Hernan and Budgell, W Paul and Cornuelle, Bruce D and Curchitser, Enrique and Di Lorenzo, Emanuele and Fennel, Katja and Geyer, W Rockwell and Hermann, Albert J and Lanerolle, Lyon and others},
   journal={Journal of computational physics},
@@ -103,6 +110,7 @@ @article{haidvogel.ea:08
 }
 
 @article{jackett.macdougall:97,
+  doi = {10.1175/1520-0426(1995)012<0381:maohpt>2.0.co;2},
   title={Minimal adjustment of hydrographic profiles to achieve static stability},
   author={Jackett, David R and Mcdougall, Trevor J},
   journal={Journal of Atmospheric and Oceanic Technology},