Yanni Cao
Geographer
LATEST PROJECTS
Project | 01
#Visualization
#Web Mapping
#Climate Change
Project | 01 The Effects of Climate Change on Treeline in Denali, Alaska
My contributions:
1. Classified the land use chang by looking at satellite images in ArcGIS
2. Performed random forest analysis to investigate the vegettion change control variables in R
3. Designed the visualization webapp. Communicate between physical geographers and developers.
4. Created most of the maps and images.
Project | 02
#R
#ArcGIS
#Climate models
#Geographic projections
Project | 02 The Impact of Geographic Coordinate System on Weather Numerical model
My contributions:
1. Generated R code to automatically download higher rasolution satellite data and replace the default input in weather model.
2. Made the automatic conversion between different datums in R.
3. Modifed Python code to create a ArcGIS toolbox to read NetCDF format data.
Project | 03
#PostgreSQL
#Spatial - temporal analysis
#MOOC
Project | 03 Where and When is the Geospatial Revolution?Spatio-temporal analysis of a Penn State MOOC
My contributions:
1. Cleaned the data to filter out the unicode records
2. Stored the data into PostgreSQL
3. Helped to visualize MOOC students spatial-temporal patterns in Torque
Project | 04
#Data Mining
#R
Project | 04 Data Mining to Predict Methane Emissions
My contributions:
1. Cleaned and processing all data in R
2. Compared results between linear regression, neural network, K-nearst neighbor and tree.
Project | 05
#ArcGIS model builder
#Greenhouse gas emissions
Project | 05 Mapping methane emissions from Marcellus Natural gas industry
My contributions:
1. Collected more thant 600 GB data in one year
2. Using ArcGIS model builder to estimate methane emissions from pipeline, wetland, compressor stations and wells.
Project | 06
#ArcGIS model builder
#Greenhouse gas emissions
Project | 06 Flood risk Analysis for Phildalphia
Presentation link; Github link
My contributions:
1. Developed ArcGIS toolbox
2. Cropped files and created maps