Feb
20
Floodplain pain
Calculating absolute and relative Special Flood Hazard Area for Texas land parcels.
9 min read
Alex Lowell Martin
Dec
29
Contiguously(ish) owned land
Identify and aggregate land parcels that are either contiguous or nearby and share common ownership attributes using PySAL and NetworkX.
6 min read
Jul
16
Building a po' boy's spatial data pipeline from scratch with Dagster, GeoParquet, & R2
Here I build a simple geospatial data pipeline to fetch data from ArcGIS Feature Servers and write / read it to GeoParquet in Cloudflare R2.
29 min read
Jun
27
Mapping National Weather Service hazards with Fused & H3
Here we use Fused.io to fetch current NWS hazards, fill them with H3 cells, and produce a serverless endpoint anyone can call.
17 min read
Sep
19
Proximity & overlay analysis for upstream site selection
I use basic proximity & overlay tools in QGIS to narrow 899,214 low-probability land parcels into 1,329 potential winners.
15 min read
Sep
05
Time is money, they say
The "time value of money" and how to use it to make wiser investment decisions.
13 min read