1. A critical appraisal of charcoal morphometry as a paleofire fuel type proxy. (15th June 2021) Authors: Vachula, Richard S.; Sae-Lim, Jarunetr; Li, Rencheng Journal: Quaternary science reviews Issue: Volume 262(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. A Meta‐Analysis of Studies Attributing Significance to Solar Irradiance. Issue 1 (24th January 2023) Authors: Vachula, Richard S.; Cheung, Anson H. Journal: Earth and space science Issue: Volume 10:Issue 1(2023) Page Start: n/a Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Abrupt Freshening Since the Early Little Ice Age in Lake Sayram of Arid Central Asia Inferred From an Alkenone Isomer Proxy. Issue 16 (14th August 2020) Authors: Yao, Yuan; Lan, Jianghu; Zhao, Jiaju; Vachula, Richard S.; Xu, Hai; Cai, Yanjun; Cheng, Hai; Huang, Yongsong Journal: Geophysical research letters Issue: Volume 47:Issue 16(2020) Page Start: n/a Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Alaskan Lake Sediment Records and Their Implications for the Beringian Standstill Hypothesis. (1st October 2020) Authors: Vachula, Richard S. Journal: PaleoAmerica Issue: Volume 6:Number 4(2020) Page Start: 303 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Archaeological reconnaissance at Lake E5 in the Brooks Range, Alaska and implications for the early human biomarker record of Beringia. (15th June 2022) Authors: Goebel, Ted; Hoffecker, John F.; Graf, Kelly E.; Vachula, Richard S. Journal: Quaternary science reviews Issue: Volume 286(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Beringia and the peopling of the Western Hemisphere. Issue 1990 (11th January 2023) Authors: Hoffecker, John F.; Elias, Scott A.; Scott, G. Richard; O'Rourke, Dennis H.; Hlusko, Leslea J.; Potapova, Olga; Pitulko, Vladimir; Pavlova, Elena; Bourgeon, Lauriane; Vachula, Richard S. Journal: Proceedings Issue: Volume 290:Issue 1990(2023) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Calibration and Application of Branched GDGTs to Tibetan Lake Sediments: The Influence of Temperature on the Fall of the Guge Kingdom in Western Tibet, China. Issue 5 (30th April 2022) Authors: Liang, Jie; Guo, Yanlong; Richter, Nora; Xie, Haichao; Vachula, Richard S.; Lupien, Rachel L.; Zhao, Boyang; Wang, Mingda; Yao, Yuan; Hou, Juzhi; Liu, Jianbao; Russell, James M. Journal: Paleoceanography and paleoclimatology Issue: Volume 37:Issue 5(2022) Page Start: n/a Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. Comparison of black carbon chemical oxidation and macroscopic charcoal counts for quantification of fire by-products in sediments. (November 2018) Authors: Vachula, Richard S.; Santos, Ewerton; Alexandre, Marcelo R.; Huang, Yongsong Journal: Organic geochemistry Issue: Volume 125(2018) Page Start: 50 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. Correlation between the ratio of 5-methyl hexamethylated to pentamethylated branched GDGTs (HP5) and water depth reflects redox variations in stratified lakes. (September 2020) Authors: Yao, Yuan; Zhao, Jiaju; Vachula, Richard S.; Werne, Josef P.; Wu, Jing; Song, Xueshu; Huang, Yongsong Journal: Organic geochemistry Issue: Volume 147(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
10. Evidence of Ice Age humans in eastern Beringia suggests early migration to North America. (1st February 2019) Authors: Vachula, Richard S.; Huang, Yongsong; Longo, William M.; Dee, Sylvia G.; Daniels, William C.; Russell, James M. Journal: Quaternary science reviews Issue: Volume 205(2019) Page Start: 35 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗