diff --git a/notebooks/API.ipynb b/notebooks/API.ipynb
index 05475b7..5513066 100644
--- a/notebooks/API.ipynb
+++ b/notebooks/API.ipynb
@@ -77,24 +77,6 @@
     "The most convenient way to apply this normalization process is to use the `api.open_dataset()` function which is a wrapper around `xr.open_dataset()`."
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "c34a0afe-9394-4f49-8edc-90418609a280",
-   "metadata": {
-    "tags": []
-   },
-   "outputs": [],
-   "source": [
-    "%%bash\n",
-    "if [[ ! -f /tmp/fort.63.nc ]]; then\n",
-    "    pushd /tmp\n",
-    "    wget --quiet https://github.com/ec-jrc/Thalassa/files/10867068/fort.63.zip \n",
-    "    unzip -o fort.63.zip\n",
-    "    popd\n",
-    "fi"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -118,7 +100,7 @@
    },
    "outputs": [],
    "source": [
-    "filename = \"/tmp/fort.63.nc\"\n",
+    "filename = \"../tests/data/fort.63.nc\"\n",
     "ds = api.open_dataset(filename)\n",
     "ds"
    ]
diff --git a/notebooks/BBox_filtering.ipynb b/notebooks/BBox_filtering.ipynb
index f161b5c..a7cf00c 100644
--- a/notebooks/BBox_filtering.ipynb
+++ b/notebooks/BBox_filtering.ipynb
@@ -15,6 +15,22 @@
     "from __future__ import annotations"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "98ba7fda-b961-450c-b885-75176c8609dc",
+   "metadata": {
+    "tags": []
+   },
+   "outputs": [],
+   "source": [
+    "# debug\n",
+    "import sys\n",
+    "\n",
+    "print(sys.executable)\n",
+    "print(sys.version_info)"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "09b3a22a-1c7d-457b-973c-7ea35d65e22a",
@@ -59,16 +75,14 @@
    },
    "outputs": [],
    "source": [
-    "import os\n",
-    "\n",
-    "os.environ['USE_PYGEOS'] = '0'  # remove geopandas warnings\n",
-    "\n",
     "import holoviews as hv\n",
     "import numpy as np\n",
     "import numpy_indexed as npi\n",
     "import pandas as pd\n",
     "import xarray as xr\n",
     "\n",
+    "from thalassa import api\n",
+    "\n",
     "hv.extension(\"bokeh\")"
    ]
   },
@@ -81,25 +95,7 @@
    "source": [
     "### Sample file\n",
     "\n",
-    "As an example let's download a netcdf file containing the output of an ADCIRC model.\n",
-    "\n",
-    "The file will be saved at `/tmp/fort.63.nc`:"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "e21e8260-7283-4094-b496-094834a5ad6f",
-   "metadata": {
-    "tags": []
-   },
-   "outputs": [],
-   "source": [
-    "%%bash\n",
-    "pushd /tmp\n",
-    "wget --quiet https://github.com/ec-jrc/Thalassa/files/10867068/fort.63.zip \n",
-    "unzip -o fort.63.zip\n",
-    "popd"
+    "As an example let's download a netcdf file containing the output of an ADCIRC model."
    ]
   },
   {
@@ -123,7 +119,7 @@
    "source": [
     "from thalassa import api\n",
     "\n",
-    "filename = \"/tmp/fort.63.nc\"\n",
+    "filename = \"../tests/data/fort.63.nc\"\n",
     "ds = api.open_dataset(filename)\n",
     "ds"
    ]
@@ -135,9 +131,9 @@
     "tags": []
    },
    "source": [
-    "As we can see the model has 3070 nodes and 5780 trifaces (i.e. triangles)\n",
+    "As we can see the model has 3070 `nodes` and 5780 `trifaces` (i.e. triangles)\n",
     "\n",
-    "Note: The reason why the thalassa schema defines `triface` is because `face` might be referring to quad elements, too (in Schism models). `triface` always refers to triangles."
+    "Note: The reason why the thalassa schema defines `triface` is because `face` might be referring to quad elements, too (in Schism models; ADCIRC does not support them). `triface` always refers to triangles."
    ]
   },
   {
@@ -294,9 +290,9 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "thalassa2",
+   "display_name": "python3",
    "language": "python",
-   "name": "thalassa2"
+   "name": "python3"
   },
   "language_info": {
    "codemirror_mode": {