fix typos

README.md

@@ -17,7 +17,7 @@ Recently, [Steinman et al. (2022)](https://doi.org/10.1073/pnas.2120015119) used
 
 ## Authors
 
-[Deborah Khider](@khider), [Hari Sundar](@sriharisundar)
+[Deborah Khider](https://github.com/khider), [Hari Sundar](https://github.com/sriharisundar), [Varun Ratnakar](https://github.com/varunratnakar)
 
 ### Contributors
 

notebooks/paleoPCA.ipynb

@@ -416,7 +416,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "The first step is to make sure that everything is on the same representation of the time axis. Year is considered prograte while age is considered retrograde:"
+    "The first step is to make sure that everything is on the same representation of the time axis. Year is considered prograde while age is considered retrograde:"
    ]
   },
   {
@@ -592,7 +592,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Let's filter for records with a resolution of at least 60 years:"
+    "Let's filter for records with a resolution finer or equal to 60 years:"
    ]
   },
   {
@@ -976,14 +976,14 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## PCA analysis on the CESM Last Millennium Analysis"
+    "## PCA analysis on the CESM Last Millennium Ensemble"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "The first step is the calculate precipitation $\\delta^{18}O$ for the all forcing simulations. The following section demonstrates how to get the data from JetStream2 and pre-process each file to save the needed variable and place them into a new `xarray.Dataset`. This process can be time-consuming. \n",
+    "The first step is the calculate precipitation $\\delta^{18}O$ for the all forcings simulation. The following section demonstrates how to get the data from JetStream2 and pre-process each file to save the needed variable and place them into a new `xarray.Dataset`. This process can be time-consuming. \n",
     "\n",
     "### Get the CESM Last Millennium Ensemble data from JetStream2\n",
     "\n",
@@ -1075,7 +1075,7 @@
     "\n",
     "<div class=\"admonition alert alert-warning\">\n",
     "    <p class=\"admonition-title\" style=\"font-weight:bold\">Warning</p>\n",
-    "    Note that this cell may take some time to run!\n",
+    "    Note that this cell may take some time to run! On a 2024 MacBook pro with an M3 chip, it took about 7minutes.\n",
     "</div>"
    ]
   },
@@ -1097,7 +1097,7 @@
     "%%time\n",
     "for idx,item in enumerate(fileset):\n",
     "    ds_u = xr.open_dataset(item)\n",
-    "    var_name = names[idx].split('.')[-3]\n",
+    "    var_name = names[idx].split('.')[-3] #This uses the file name to obtain the variable name. \n",
     "    da = ds_u[var_name]\n",
     "    try:\n",
     "        ds[var_name]= da\n",
@@ -1705,7 +1705,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "And resample to the proxy resolution:"
+    "And resample to the proxy resolution (~20yr as calculated above):"
    ]
   },
   {
@@ -2808,7 +2808,7 @@
     "\n",
     "- CoralHydro2k: Walter, R. M., Sayani, H. R., Felis, T., Cobb, K. M., Abram, N. J., Arzey, A. K., Atwood, A. R., Brenner, L. D., Dassié, É. P., DeLong, K. L., Ellis, B., Emile-Geay, J., Fischer, M. J., Goodkin, N. F., Hargreaves, J. A., Kilbourne, K. H., Krawczyk, H., McKay, N. P., Moore, A. L., Murty, S. A., Ong, M. R., Ramos, R. D., Reed, E. V., Samanta, D., Sanchez, S. C., Zinke, J., and the PAGES CoralHydro2k Project Members: The CoralHydro2k database: a global, actively curated compilation of coral δ18O and Sr ∕ Ca proxy records of tropical ocean hydrology and temperature for the Common Era, Earth Syst. Sci. Data, 15, 2081–2116, [https://doi.org/10.5194/essd-15-2081-2023](https://doi.org/10.5194/essd-15-2081-2023), 2023.\n",
     "\n",
-    "- SISAL: omas-Bru, L., Rehfeld, K., Roesch, C., Amirnezhad-Mozhdehi, S., Harrison, S. P., Atsawawaranunt, K., Ahmad, S. M., Brahim, Y. A., Baker, A., Bosomworth, M., Breitenbach, S. F. M., Burstyn, Y., Columbu, A., Deininger, M., Demény, A., Dixon, B., Fohlmeister, J., Hatvani, I. G., Hu, J., Kaushal, N., Kern, Z., Labuhn, I., Lechleitner, F. A., Lorrey, A., Martrat, B., Novello, V. F., Oster, J., Pérez-Mejías, C., Scholz, D., Scroxton, N., Sinha, N., Ward, B. M., Warken, S., Zhang, H., and SISAL Working Group members: SISALv2: a comprehensive speleothem isotope database with multiple age–depth models, Earth Syst. Sci. Data, 12, 2579–2606, [https://doi.org/10.5194/essd-12-2579-2020](https://doi.org/10.5194/essd-12-2579-2020), 2020.\n",
+    "- SISAL: Comas-Bru, L., Rehfeld, K., Roesch, C., Amirnezhad-Mozhdehi, S., Harrison, S. P., Atsawawaranunt, K., Ahmad, S. M., Brahim, Y. A., Baker, A., Bosomworth, M., Breitenbach, S. F. M., Burstyn, Y., Columbu, A., Deininger, M., Demény, A., Dixon, B., Fohlmeister, J., Hatvani, I. G., Hu, J., Kaushal, N., Kern, Z., Labuhn, I., Lechleitner, F. A., Lorrey, A., Martrat, B., Novello, V. F., Oster, J., Pérez-Mejías, C., Scholz, D., Scroxton, N., Sinha, N., Ward, B. M., Warken, S., Zhang, H., and SISAL Working Group members: SISALv2: a comprehensive speleothem isotope database with multiple age–depth models, Earth Syst. Sci. Data, 12, 2579–2606, [https://doi.org/10.5194/essd-12-2579-2020](https://doi.org/10.5194/essd-12-2579-2020), 2020.\n",
     "\n",
     "\n",
     "### Software\n",