Chen-Chia Ku, Ph.D
@jjakon11.bsky.social
Forest ecologist focused on the biomass change and ecological processes in the forest. I love doing data visualization, taking some photography, and using #rstats a lot.
Forest ecology | Taiwan | #ggplot2 | he/him 🏳️🌈
https://www.chenchiaku.com
Forest ecology | Taiwan | #ggplot2 | he/him 🏳️🌈
https://www.chenchiaku.com
The big western hemlock at Cedar flat, WA, USA
July 16, 2025 at 2:18 AM
The big western hemlock at Cedar flat, WA, USA
TERN X LTSER 2025
A tree height research presentation @ TERN
A tree height research presentation @ TERN
February 14, 2025 at 4:30 AM
TERN X LTSER 2025
A tree height research presentation @ TERN
A tree height research presentation @ TERN
No forest, no map but Happy Lunar New Year today!
January 29, 2025 at 1:05 PM
No forest, no map but Happy Lunar New Year today!
Doing the mortality survey in tropical monsoon forest at Nanjenshan, Taiwan.
January 18, 2025 at 3:03 PM
Doing the mortality survey in tropical monsoon forest at Nanjenshan, Taiwan.
See you next year! I am going back to my warm country.
November 14, 2024 at 1:18 AM
See you next year! I am going back to my warm country.
#30DayMapChallenge
#Day12_Time_and_Space
Taiwan's 30-Year Average Temperature and Precipitation Pattern
This map, inspired by @tterence.bsky.social, uses climate data from Climate AP to illustrate Taiwan's 30-year distribution of temperature and precipitation.
Inspired by: @tterence.bsky.social
#Day12_Time_and_Space
Taiwan's 30-Year Average Temperature and Precipitation Pattern
This map, inspired by @tterence.bsky.social, uses climate data from Climate AP to illustrate Taiwan's 30-year distribution of temperature and precipitation.
Inspired by: @tterence.bsky.social
November 12, 2024 at 9:15 PM
#30DayMapChallenge
#Day12_Time_and_Space
Taiwan's 30-Year Average Temperature and Precipitation Pattern
This map, inspired by @tterence.bsky.social, uses climate data from Climate AP to illustrate Taiwan's 30-year distribution of temperature and precipitation.
Inspired by: @tterence.bsky.social
#Day12_Time_and_Space
Taiwan's 30-Year Average Temperature and Precipitation Pattern
This map, inspired by @tterence.bsky.social, uses climate data from Climate AP to illustrate Taiwan's 30-year distribution of temperature and precipitation.
Inspired by: @tterence.bsky.social
#30DayMapChallenge
#Day11_Arctic
Arctic
I used Arctic ocean DEM data to sneak in some marine DEM, mapping out the land areas. By stacking the same dataset three times, I was able to highlight the ocean, flat area, and mountainous regions.
#rstats
#Day11_Arctic
Arctic
I used Arctic ocean DEM data to sneak in some marine DEM, mapping out the land areas. By stacking the same dataset three times, I was able to highlight the ocean, flat area, and mountainous regions.
#rstats
November 12, 2024 at 2:16 AM
#30DayMapChallenge
#Day11_Arctic
Arctic
I used Arctic ocean DEM data to sneak in some marine DEM, mapping out the land areas. By stacking the same dataset three times, I was able to highlight the ocean, flat area, and mountainous regions.
#rstats
#Day11_Arctic
Arctic
I used Arctic ocean DEM data to sneak in some marine DEM, mapping out the land areas. By stacking the same dataset three times, I was able to highlight the ocean, flat area, and mountainous regions.
#rstats
This was the photo that I visited Mudoyu Lighthouse, Taiwan in 2022.
November 10, 2024 at 11:26 PM
This was the photo that I visited Mudoyu Lighthouse, Taiwan in 2022.
#30DayMapChallenge
#Day10_Pen_and_Paper
Mudouyu Lighthouse
Having not sketched in years, I simply created a basic map of Mudou Island in Penghu, Taiwan.
Inspired by: my photo
#Day10_Pen_and_Paper
Mudouyu Lighthouse
Having not sketched in years, I simply created a basic map of Mudou Island in Penghu, Taiwan.
Inspired by: my photo
November 10, 2024 at 11:26 PM
#30DayMapChallenge
#Day10_Pen_and_Paper
Mudouyu Lighthouse
Having not sketched in years, I simply created a basic map of Mudou Island in Penghu, Taiwan.
Inspired by: my photo
#Day10_Pen_and_Paper
Mudouyu Lighthouse
Having not sketched in years, I simply created a basic map of Mudou Island in Penghu, Taiwan.
Inspired by: my photo
#30DayMapChallenge
#Day9_AI_only
AI generate a vintage map of Taiwan-Not Always Right.
A dumpster AI! I'd rather write the code myself. If any information is incorrect, that's not on me!
Inspired by: Me
no code today
#Day9_AI_only
AI generate a vintage map of Taiwan-Not Always Right.
A dumpster AI! I'd rather write the code myself. If any information is incorrect, that's not on me!
Inspired by: Me
no code today
November 10, 2024 at 5:53 AM
#30DayMapChallenge
#Day9_AI_only
AI generate a vintage map of Taiwan-Not Always Right.
A dumpster AI! I'd rather write the code myself. If any information is incorrect, that's not on me!
Inspired by: Me
no code today
#Day9_AI_only
AI generate a vintage map of Taiwan-Not Always Right.
A dumpster AI! I'd rather write the code myself. If any information is incorrect, that's not on me!
Inspired by: Me
no code today
#30DayMapChallenge
#Day8_Data_HDX
Earthquake in Taiwan
I used earthquake data from 1990 to 2024, combined with land and ocean DEM, to illustrate how these mountains were uplifted by thousands times of plates collisions.
Inspired by: @tterence.bsky.social
#Day8_Data_HDX
Earthquake in Taiwan
I used earthquake data from 1990 to 2024, combined with land and ocean DEM, to illustrate how these mountains were uplifted by thousands times of plates collisions.
Inspired by: @tterence.bsky.social
November 9, 2024 at 1:45 AM
#30DayMapChallenge
#Day8_Data_HDX
Earthquake in Taiwan
I used earthquake data from 1990 to 2024, combined with land and ocean DEM, to illustrate how these mountains were uplifted by thousands times of plates collisions.
Inspired by: @tterence.bsky.social
#Day8_Data_HDX
Earthquake in Taiwan
I used earthquake data from 1990 to 2024, combined with land and ocean DEM, to illustrate how these mountains were uplifted by thousands times of plates collisions.
Inspired by: @tterence.bsky.social
#30DayMapChallenge
#Day7_VintageStyle
HET EYLAND FORMOSA
Today, I used a digital elevation model (DEM) to create a 2024 rendition inspired by Francois Valentijn's 1726 map of Formosa. Using modern data and techniques, I aimed to reimagine the map, not replicate it exactly.
#rstats
#Day7_VintageStyle
HET EYLAND FORMOSA
Today, I used a digital elevation model (DEM) to create a 2024 rendition inspired by Francois Valentijn's 1726 map of Formosa. Using modern data and techniques, I aimed to reimagine the map, not replicate it exactly.
#rstats
November 8, 2024 at 6:51 AM
#30DayMapChallenge
#Day7_VintageStyle
HET EYLAND FORMOSA
Today, I used a digital elevation model (DEM) to create a 2024 rendition inspired by Francois Valentijn's 1726 map of Formosa. Using modern data and techniques, I aimed to reimagine the map, not replicate it exactly.
#rstats
#Day7_VintageStyle
HET EYLAND FORMOSA
Today, I used a digital elevation model (DEM) to create a 2024 rendition inspired by Francois Valentijn's 1726 map of Formosa. Using modern data and techniques, I aimed to reimagine the map, not replicate it exactly.
#rstats
#30DayMapChallenge
#Day6_Raster
Forest Coverage in Taiwan
Taiwan is an island with 60.7% of its land covered by forests. I used forest coverage data, island DEM, and ocean DEM to create a map showcasing Taiwan as a lush and beautiful 'Formosa' island.
Inspired by @shinagawajp.bsky.social
#Day6_Raster
Forest Coverage in Taiwan
Taiwan is an island with 60.7% of its land covered by forests. I used forest coverage data, island DEM, and ocean DEM to create a map showcasing Taiwan as a lush and beautiful 'Formosa' island.
Inspired by @shinagawajp.bsky.social
November 6, 2024 at 10:21 PM
#30DayMapChallenge
#Day6_Raster
Forest Coverage in Taiwan
Taiwan is an island with 60.7% of its land covered by forests. I used forest coverage data, island DEM, and ocean DEM to create a map showcasing Taiwan as a lush and beautiful 'Formosa' island.
Inspired by @shinagawajp.bsky.social
#Day6_Raster
Forest Coverage in Taiwan
Taiwan is an island with 60.7% of its land covered by forests. I used forest coverage data, island DEM, and ocean DEM to create a map showcasing Taiwan as a lush and beautiful 'Formosa' island.
Inspired by @shinagawajp.bsky.social
#30DayMapChallenge
#Day5_A_Journey
My Summer Road Trip in USA
I mapped my summer road trip across the United States this year, which included a field survey and travel. The breathtaking landscapes are now unforgettable memories. I will treasure it.
Inspired by @andrew.heiss.phd
#Day5_A_Journey
My Summer Road Trip in USA
I mapped my summer road trip across the United States this year, which included a field survey and travel. The breathtaking landscapes are now unforgettable memories. I will treasure it.
Inspired by @andrew.heiss.phd
November 5, 2024 at 10:40 PM
#30DayMapChallenge
#Day5_A_Journey
My Summer Road Trip in USA
I mapped my summer road trip across the United States this year, which included a field survey and travel. The breathtaking landscapes are now unforgettable memories. I will treasure it.
Inspired by @andrew.heiss.phd
#Day5_A_Journey
My Summer Road Trip in USA
I mapped my summer road trip across the United States this year, which included a field survey and travel. The breathtaking landscapes are now unforgettable memories. I will treasure it.
Inspired by @andrew.heiss.phd
#30DayMapChallenge
#Day4_Hexagons
Rain
Today, I indirectly used a 30 m x 30 m DEM and input it into Climate AP to obtain the average rainfall for each grid over 30 years, from 1991 to 2020. I then created a hexbin map to show the rainfall density.
Inspired by @kennethkhw.bsky.social
#Day4_Hexagons
Rain
Today, I indirectly used a 30 m x 30 m DEM and input it into Climate AP to obtain the average rainfall for each grid over 30 years, from 1991 to 2020. I then created a hexbin map to show the rainfall density.
Inspired by @kennethkhw.bsky.social
November 4, 2024 at 9:01 PM
#30DayMapChallenge
#Day4_Hexagons
Rain
Today, I indirectly used a 30 m x 30 m DEM and input it into Climate AP to obtain the average rainfall for each grid over 30 years, from 1991 to 2020. I then created a hexbin map to show the rainfall density.
Inspired by @kennethkhw.bsky.social
#Day4_Hexagons
Rain
Today, I indirectly used a 30 m x 30 m DEM and input it into Climate AP to obtain the average rainfall for each grid over 30 years, from 1991 to 2020. I then created a hexbin map to show the rainfall density.
Inspired by @kennethkhw.bsky.social
Great snow in Logan last night!
November 3, 2024 at 3:56 PM
Great snow in Logan last night!
#30DayMapChallenge
#Day3_Polygons
Yushan National Park, Taiwan
Yushan (Mt. Jade) National Park is the highest national park in Taiwan. I mapped the contour plot and clipped it to the park boundaries to showcase the beautiful elevation gradient of Yushan National Park, the Jade.
#Day3_Polygons
Yushan National Park, Taiwan
Yushan (Mt. Jade) National Park is the highest national park in Taiwan. I mapped the contour plot and clipped it to the park boundaries to showcase the beautiful elevation gradient of Yushan National Park, the Jade.
November 3, 2024 at 3:02 PM
#30DayMapChallenge
#Day3_Polygons
Yushan National Park, Taiwan
Yushan (Mt. Jade) National Park is the highest national park in Taiwan. I mapped the contour plot and clipped it to the park boundaries to showcase the beautiful elevation gradient of Yushan National Park, the Jade.
#Day3_Polygons
Yushan National Park, Taiwan
Yushan (Mt. Jade) National Park is the highest national park in Taiwan. I mapped the contour plot and clipped it to the park boundaries to showcase the beautiful elevation gradient of Yushan National Park, the Jade.
I also created a DARK version, which represent the night of Mt. Jade.
November 2, 2024 at 6:54 AM
I also created a DARK version, which represent the night of Mt. Jade.
#30DayMapChallenge
#Day2_Lines
Mt. Jade, Taiwan
Mt. Jade, or Yushan, is the highest mountain in Taiwan. The lines on the map represent longitude, not contour lines. This truly captures the shape of Mt. Jade, the highest peak in Taiwan.
Inspired by @dickie_roper (Xwitter)
#rstats
#Day2_Lines
Mt. Jade, Taiwan
Mt. Jade, or Yushan, is the highest mountain in Taiwan. The lines on the map represent longitude, not contour lines. This truly captures the shape of Mt. Jade, the highest peak in Taiwan.
Inspired by @dickie_roper (Xwitter)
#rstats
November 2, 2024 at 6:52 AM
#30DayMapChallenge
#Day2_Lines
Mt. Jade, Taiwan
Mt. Jade, or Yushan, is the highest mountain in Taiwan. The lines on the map represent longitude, not contour lines. This truly captures the shape of Mt. Jade, the highest peak in Taiwan.
Inspired by @dickie_roper (Xwitter)
#rstats
#Day2_Lines
Mt. Jade, Taiwan
Mt. Jade, or Yushan, is the highest mountain in Taiwan. The lines on the map represent longitude, not contour lines. This truly captures the shape of Mt. Jade, the highest peak in Taiwan.
Inspired by @dickie_roper (Xwitter)
#rstats
#30DayMapChallenge
#Day1_Point
Taiwan's Light House
Taiwan is a country made up of multiple islands located at the west of the Pacific Ocean. A lighthouse directs people on the ocean, telling them, 'Hey, this is the way home.'
Inspired by @tterence.bsky.social
#rstats
#Day1_Point
Taiwan's Light House
Taiwan is a country made up of multiple islands located at the west of the Pacific Ocean. A lighthouse directs people on the ocean, telling them, 'Hey, this is the way home.'
Inspired by @tterence.bsky.social
#rstats
November 1, 2024 at 6:01 AM
#30DayMapChallenge
#Day1_Point
Taiwan's Light House
Taiwan is a country made up of multiple islands located at the west of the Pacific Ocean. A lighthouse directs people on the ocean, telling them, 'Hey, this is the way home.'
Inspired by @tterence.bsky.social
#rstats
#Day1_Point
Taiwan's Light House
Taiwan is a country made up of multiple islands located at the west of the Pacific Ocean. A lighthouse directs people on the ocean, telling them, 'Hey, this is the way home.'
Inspired by @tterence.bsky.social
#rstats
Here are all the maps I created last year—all based on Taiwan. This year, I’ll explore even more creative possibilities, showcasing different aspects of Taiwan!
Here’s the source code from last year’s challenge: github.com/jjakon11/30D...
#30DayMapChallenge
#rstats
Here’s the source code from last year’s challenge: github.com/jjakon11/30D...
#30DayMapChallenge
#rstats
October 27, 2024 at 9:26 PM
Here are all the maps I created last year—all based on Taiwan. This year, I’ll explore even more creative possibilities, showcasing different aspects of Taiwan!
Here’s the source code from last year’s challenge: github.com/jjakon11/30D...
#30DayMapChallenge
#rstats
Here’s the source code from last year’s challenge: github.com/jjakon11/30D...
#30DayMapChallenge
#rstats