scholarly journals Special Issue: Statistical mathematics for ecological and environmental data

2020 ◽  
Vol 27 (4) ◽  
pp. 629-630
Author(s):  
Ichiro Ken Shimatani ◽  
Kunio Shimizu
2016 ◽  
Vol 29 (6) ◽  
pp. 621-625 ◽  
Author(s):  
Karina Gibert

2007 ◽  
Vol 34 (11) ◽  
pp. 1424-1432 ◽  
Author(s):  
Mark. D. Hagel ◽  
Shelley L. Lissel ◽  
Gary R. Sturgeon

The issue regarding the corrosion of steel ties connecting brick veneer to its structural backing is well known and well documented. However, none of the research to date has developed field-calibrated corrosion rate and service life models specific to wall ties in brick veneer steel stud (BVSS) wall systems. In this paper, corrosion rate and service life estimates produced by two models generated by the International Organization for Standardization (ISO) were compared with the empirically determined corrosion rates (CRs) and service lives of nine zinc galvanized tie specimens inspected at five buildings in four different Canadian cities. The best estimate, obtained using actual environmental data, was found to be the ISOCORRAG formula. However, the maximum difference between predicted and actual service life was still significant, indicating that a better understanding of the mechanics governing the corrosion of a tie embedded in mortar is still needed.


2021 ◽  
pp. 251484862110435
Author(s):  
Eric Nost ◽  
Jenny Elaine Goldstein

Conservationists, governments, and corporations see promise in digital technologies to provide holistic, rapid, and objective information to inform policy, shape investments, and monitor ecosystems. But it is increasingly clear that environmental data does more than simply offer a better view of the planet. This special issue makes a single overarching argument: that we cannot fully understand the current conjuncture in global environmental governance without understanding the platforms, devices, and institutions that comprise environmental data infrastructures. The papers draw together scholarship from political ecology and science and technology studies to demonstrate how data has become a significant site in which contemporary environmental politics are waged and socionatures are materialized. We address: (1) the contested practices of utilizing and maintaining data infrastructures; (2) the ways they are governed and the territorial statecraft they enable; (3) the socionatural materiality they arise within but also produce. The papers in this special issue show that, against its dominant representation, data is material, governed, practiced, and requires praxis. Political ecologists could adopt such an approach to make sense of the emerging ways in which data technologies shape environments and their politics.


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