add figure description

Author: Yoann Malbeteau

jupyter-notebooks/workflows/planet_sandbox_data/land-surface-temperature/urban-heat-monitoring.ipynb

@@ -876,6 +876,14 @@
     "plt.show()"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "961f1d57",
+   "metadata": {},
+   "source": [
+    "The cumulative sum highlights 2022 as the hottest year by far. This is supported by literature, which notes that May, June, July, and August 2022 were the warmest months in at least the last 15 years (Académie du Vin Library, 2023). Other notable hot year is 2020. In general, most heat accumulation occurs between May and September."
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "8517de1e",
@@ -1230,6 +1238,14 @@
     "heatwave_df"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "a72d6803",
+   "metadata": {},
+   "source": [
+    "The most severe heatwave occurred in 2022 from July 11 to 21, with an EHF sum of 206°C^2^, and the hottest day recorded on July 18, when LSTs reached 34.25°C. This heatwave coincided with one of the three major heatwave events that affected France nationally, contributing to a record-breaking summer marked by prolonged periods of extreme heat.\n"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "bab4c906",
@@ -1392,6 +1408,14 @@
     "plt.tight_layout()\n",
     "plt.show()"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "f322011a",
+   "metadata": {},
+   "source": [
+    "The figure illustrates cumulative positive temperature anomalies over Bordeaux during the four heatwaves, revealing a consistent spatial pattern despite variations in duration and baseline temperatures. Notably, the most severe heatwave, as measured by the EHF, accumulated the least heat than the second most severe one."
+   ]
   }
  ],
  "metadata": {