diff --git a/CO2-SGD.ipynb b/CO2-SGD.ipynb
index 4cf6268d5286b87f1d65bbc99df9a6b7d74fae05..0a47f75fff58171a7bdd5d76d0d61566a0219c9d 100644
--- a/CO2-SGD.ipynb
+++ b/CO2-SGD.ipynb
@@ -2,45 +2,16 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 52,
+   "execution_count": 1,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-09-18T10:32:33.879590Z",
-     "start_time": "2020-09-18T10:32:33.875547Z"
+     "end_time": "2020-09-18T14:09:52.138103Z",
+     "start_time": "2020-09-18T14:09:52.122875Z"
     },
     "init_cell": true,
     "scrolled": false
    },
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
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-       "        {\n",
-       "            $('div.input').show();\n",
-       "        }\n",
-       "        code_show = !code_show\n",
-       "    } \n",
-       "    $( document ).ready(code_toggle);\n",
-       "</script>\n",
-       "The raw code for this notebook is by default hidden for easier reading.\n",
-       "To toggle on/off the raw code, click <a href=\"javascript:code_toggle()\">here</a>.\n"
-      ],
-      "text/plain": [
-       "<IPython.core.display.HTML object>"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    }
-   ],
+   "outputs": [],
    "source": [
     "%%HTML\n",
     "<script>\n",
@@ -88,7 +59,7 @@
     " and Matthias Scheffler<sup> 1</sup> <br><br>\n",
     "<sup>1</sup> Fritz Haber Institute of the Max Planck Society, Faradayweg 4-6, D-14195 Berlin, Germany <br>\n",
     "<sup>2</sup>  Skolkovo Institute of Science and Technology, Skolkovo Innovation Center, 121205 Moscow, Russia <br>\n",
-    "<span class=\"nomad--last-updated\" data-version=\"v1.0.2\">[Last updated: Mai 28, 2020]</span>\n",
+    "<span class=\"nomad--last-updated\" data-version=\"v1.0.2\">[Last updated: Sep 18, 2020]</span>\n",
     "</p>\n",
     "\n",
     "</div>"
@@ -193,11 +164,11 @@
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+   "execution_count": 2,
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-     "end_time": "2020-09-18T10:32:33.898140Z",
-     "start_time": "2020-09-18T10:32:33.881557Z"
+     "end_time": "2020-09-18T14:09:52.850417Z",
+     "start_time": "2020-09-18T14:09:52.141118Z"
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     "hidden": true,
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@@ -246,11 +217,11 @@
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+   "execution_count": 3,
    "metadata": {
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-     "end_time": "2020-09-18T10:32:34.560776Z",
-     "start_time": "2020-09-18T10:32:33.900026Z"
+     "end_time": "2020-09-18T14:09:53.528218Z",
+     "start_time": "2020-09-18T14:09:52.851996Z"
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@@ -259,7 +230,7 @@
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@@ -274,7 +245,7 @@
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@@ -288,7 +259,7 @@
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@@ -302,7 +273,7 @@
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@@ -578,11 +549,11 @@
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-     "start_time": "2020-09-18T10:32:34.562548Z"
+     "end_time": "2020-09-18T14:09:53.531330Z",
+     "start_time": "2020-09-18T14:09:53.529457Z"
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@@ -594,11 +565,11 @@
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-     "start_time": "2020-09-18T10:32:34.565784Z"
+     "end_time": "2020-09-18T14:09:53.822053Z",
+     "start_time": "2020-09-18T14:09:53.532710Z"
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@@ -607,7 +578,7 @@
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@@ -737,11 +708,11 @@
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+   "execution_count": 6,
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-     "end_time": "2020-09-18T10:32:35.144121Z",
-     "start_time": "2020-09-18T10:32:34.869180Z"
+     "end_time": "2020-09-18T14:09:54.125208Z",
+     "start_time": "2020-09-18T14:09:53.823450Z"
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@@ -750,7 +721,7 @@
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@@ -868,11 +839,11 @@
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+   "execution_count": 7,
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-     "end_time": "2020-09-18T10:32:35.149204Z",
-     "start_time": "2020-09-18T10:32:35.145954Z"
+     "end_time": "2020-09-18T14:09:54.131818Z",
+     "start_time": "2020-09-18T14:09:54.127188Z"
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@@ -892,11 +863,11 @@
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+   "execution_count": 8,
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-     "end_time": "2020-09-18T10:32:35.195142Z",
-     "start_time": "2020-09-18T10:32:35.151085Z"
+     "end_time": "2020-09-18T14:09:54.168408Z",
+     "start_time": "2020-09-18T14:09:54.133656Z"
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@@ -904,7 +875,7 @@
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@@ -926,6 +897,9 @@
     "def run_analysis_4(b):\n",
     "    n_cells_exe = 14\n",
     "    javascript('Jupyter.notebook.execute_cell_range(Jupyter.notebook.get_selected_index()+1,Jupyter.notebook.get_selected_index()+'+str(n_cells_exe)+')')\n",
+    "    analysis_5.disabled = False\n",
+    "    text_5.layout.visibility='Hidden'\n",
+    "\n",
     "analysis_4.on_click(run_analysis_4)\n"
    ]
   },
@@ -934,8 +908,8 @@
    "execution_count": null,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-09-18T10:31:37.439917Z",
-     "start_time": "2020-09-18T10:31:37.420533Z"
+     "end_time": "2020-09-18T14:04:52.736110Z",
+     "start_time": "2020-09-18T14:04:52.698207Z"
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     "scrolled": true
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@@ -1005,8 +979,8 @@
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-     "end_time": "2020-09-18T10:31:37.454295Z",
-     "start_time": "2020-09-18T10:31:37.441913Z"
+     "end_time": "2020-09-18T14:04:52.752460Z",
+     "start_time": "2020-09-18T14:04:52.739258Z"
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@@ -1021,8 +995,8 @@
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    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-09-18T10:31:37.472163Z",
-     "start_time": "2020-09-18T10:31:37.456588Z"
+     "end_time": "2020-09-18T14:04:52.770197Z",
+     "start_time": "2020-09-18T14:04:52.756694Z"
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@@ -1037,8 +1011,8 @@
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-     "end_time": "2020-09-18T10:31:37.632740Z",
-     "start_time": "2020-09-18T10:31:37.474141Z"
+     "end_time": "2020-09-18T14:04:52.941146Z",
+     "start_time": "2020-09-18T14:04:52.773203Z"
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@@ -1165,8 +1139,8 @@
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-     "end_time": "2020-09-18T10:31:37.637162Z",
-     "start_time": "2020-09-18T10:31:37.633971Z"
+     "end_time": "2020-09-18T14:04:52.945455Z",
+     "start_time": "2020-09-18T14:04:52.942290Z"
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@@ -1179,8 +1153,8 @@
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-     "end_time": "2020-09-18T10:31:37.921827Z",
-     "start_time": "2020-09-18T10:31:37.638945Z"
+     "end_time": "2020-09-18T14:04:53.228807Z",
+     "start_time": "2020-09-18T14:04:52.947016Z"
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@@ -1432,8 +1406,8 @@
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-     "end_time": "2020-09-18T10:31:37.925851Z",
-     "start_time": "2020-09-18T10:31:37.922976Z"
+     "end_time": "2020-09-18T14:04:53.232969Z",
+     "start_time": "2020-09-18T14:04:53.230005Z"
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@@ -1446,8 +1420,8 @@
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-     "end_time": "2020-09-18T10:31:38.197801Z",
-     "start_time": "2020-09-18T10:31:37.927415Z"
+     "end_time": "2020-09-18T14:04:53.590262Z",
+     "start_time": "2020-09-18T14:04:53.235744Z"
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@@ -1693,8 +1667,8 @@
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-     "start_time": "2020-09-18T10:31:38.199894Z"
+     "end_time": "2020-09-18T14:04:53.596197Z",
+     "start_time": "2020-09-18T14:04:53.592504Z"
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@@ -1707,8 +1681,8 @@
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-     "end_time": "2020-09-18T10:31:38.471214Z",
-     "start_time": "2020-09-18T10:31:38.212116Z"
+     "end_time": "2020-09-18T14:04:54.024586Z",
+     "start_time": "2020-09-18T14:04:53.597962Z"
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@@ -1953,8 +1927,8 @@
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-     "end_time": "2020-09-18T10:31:38.475800Z",
-     "start_time": "2020-09-18T10:31:38.472658Z"
+     "end_time": "2020-09-18T14:04:54.033326Z",
+     "start_time": "2020-09-18T14:04:54.027466Z"
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@@ -1984,11 +1958,11 @@
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+   "execution_count": 9,
    "metadata": {
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-     "end_time": "2020-09-18T10:32:35.216899Z",
-     "start_time": "2020-09-18T10:32:35.197003Z"
+     "end_time": "2020-09-18T14:09:54.192351Z",
+     "start_time": "2020-09-18T14:09:54.169730Z"
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     "init_cell": true
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@@ -1996,12 +1970,12 @@
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        "version_major": 2,
        "version_minor": 0
       },
       "text/plain": [
-       "Button(description='Run the analysis', style=ButtonStyle())"
+       "HBox(children=(Button(description='Run the analysis', disabled=True, style=ButtonStyle()), Label(value='Run th…"
       ]
      },
      "metadata": {},
@@ -2010,13 +1984,18 @@
    ],
    "source": [
     "analysis_5 = widgets.Button(description = 'Run the analysis')\n",
+    "text_5 = widgets.Label('Run the analysis in Sec. 4 to enable this button')\n",
     "output = widgets.Output()\n",
+    "analysis_5.disabled = True\n",
     "\n",
-    "display(analysis_5)\n",
+    "display(widgets.HBox([analysis_5, text_5]))\n",
     "\n",
     "def run_analysis_5(b):\n",
     "    n_cells_exe = 12\n",
     "    javascript('Jupyter.notebook.execute_cell_range(Jupyter.notebook.get_selected_index()+1,Jupyter.notebook.get_selected_index()+'+str(n_cells_exe)+')')\n",
+    "    analysis_6.disabled = False\n",
+    "    text_6.layout.visibility='Hidden'\n",
+    "\n",
     "analysis_5.on_click(run_analysis_5)"
    ]
   },
@@ -2025,8 +2004,8 @@
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-     "end_time": "2020-09-18T10:31:43.718418Z",
-     "start_time": "2020-09-18T10:31:43.461184Z"
+     "end_time": "2020-09-18T14:04:59.139569Z",
+     "start_time": "2020-09-18T14:04:58.821005Z"
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@@ -2244,8 +2223,8 @@
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-     "end_time": "2020-09-18T10:31:43.954298Z",
-     "start_time": "2020-09-18T10:31:43.719998Z"
+     "end_time": "2020-09-18T14:04:59.357929Z",
+     "start_time": "2020-09-18T14:04:59.140835Z"
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@@ -2461,8 +2440,8 @@
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-     "end_time": "2020-09-18T10:31:43.958934Z",
-     "start_time": "2020-09-18T10:31:43.955885Z"
+     "end_time": "2020-09-18T14:04:59.362583Z",
+     "start_time": "2020-09-18T14:04:59.359559Z"
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@@ -2475,8 +2454,8 @@
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-     "start_time": "2020-09-18T10:31:43.960310Z"
+     "end_time": "2020-09-18T14:05:00.702693Z",
+     "start_time": "2020-09-18T14:04:59.364032Z"
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@@ -2515,8 +2494,8 @@
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-     "end_time": "2020-09-18T10:31:45.330341Z",
-     "start_time": "2020-09-18T10:31:45.327349Z"
+     "end_time": "2020-09-18T14:05:00.707156Z",
+     "start_time": "2020-09-18T14:05:00.704117Z"
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@@ -2529,8 +2508,8 @@
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-     "start_time": "2020-09-18T10:31:45.332306Z"
+     "end_time": "2020-09-18T14:05:01.052897Z",
+     "start_time": "2020-09-18T14:05:00.709072Z"
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@@ -2792,8 +2771,8 @@
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-     "start_time": "2020-09-18T10:31:45.659575Z"
+     "end_time": "2020-09-18T14:05:01.056763Z",
+     "start_time": "2020-09-18T14:05:01.054000Z"
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@@ -2806,8 +2785,8 @@
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-     "start_time": "2020-09-18T10:31:45.664961Z"
+     "end_time": "2020-09-18T14:05:01.495080Z",
+     "start_time": "2020-09-18T14:05:01.058548Z"
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@@ -3022,8 +3001,8 @@
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-     "end_time": "2020-09-18T10:31:45.907291Z",
-     "start_time": "2020-09-18T10:31:45.903983Z"
+     "end_time": "2020-09-18T14:05:01.501577Z",
+     "start_time": "2020-09-18T14:05:01.496745Z"
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@@ -3036,8 +3015,8 @@
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-     "end_time": "2020-09-18T10:31:46.142203Z",
-     "start_time": "2020-09-18T10:31:45.908693Z"
+     "end_time": "2020-09-18T14:05:01.895237Z",
+     "start_time": "2020-09-18T14:05:01.503360Z"
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@@ -3278,11 +3257,11 @@
   },
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+   "execution_count": 10,
    "metadata": {
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-     "end_time": "2020-09-18T10:32:35.236710Z",
-     "start_time": "2020-09-18T10:32:35.218502Z"
+     "end_time": "2020-09-18T14:09:54.215046Z",
+     "start_time": "2020-09-18T14:09:54.194099Z"
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     "init_cell": true
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@@ -3290,12 +3269,12 @@
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+       "model_id": "7259bc6c7d71481ebd54bb6513f5b7d1",
        "version_major": 2,
        "version_minor": 0
       },
       "text/plain": [
-       "Button(description='Run the analysis', style=ButtonStyle())"
+       "HBox(children=(Button(description='Run the analysis', disabled=True, style=ButtonStyle()), Label(value='Run th…"
       ]
      },
      "metadata": {},
@@ -3304,9 +3283,11 @@
    ],
    "source": [
     "analysis_6 = widgets.Button(description = 'Run the analysis')\n",
+    "text_6 = widgets.Label('Run the analysis in Sec. 5 to enable this button')\n",
     "output = widgets.Output()\n",
+    "analysis_6.disabled = True\n",
     "\n",
-    "display(analysis_6)\n",
+    "display(widgets.HBox([analysis_6, text_6]))\n",
     "\n",
     "def run_analysis_6(b):\n",
     "    n_cells_exe = 6\n",