Konrad Weaver
A5060703907- earthquake and tectonic studies
- Seismology and Earthquake Studies
- Earthquake Detection and Analysis
- Landslides and related hazards
- Seismic Waves and Analysis
- Seismic Imaging and Inversion Techniques
- Geological and Geochemical Analysis
- Geology and Paleoclimatology Research
- Seismic Performance and Analysis
- Geological and Geophysical Studies
- Climate change and permafrost
- Geological formations and processes
- Arsenic contamination and mitigation
- Mine drainage and remediation techniques
- High-pressure geophysics and materials
- Groundwater flow and contamination studies
- Geochemistry and Geologic Mapping
Victoria University of Wellington
2017-2021
Atkins (United Kingdom)
2020
Imperial College London
2019
Abstract Fault rock assemblages reflect interaction between deformation, stress, temperature, fluid, and chemical regimes on distinct spatial temporal scales at various positions in the crust. Here we interpret measurements made hanging‐wall of Alpine during second stage Deep Drilling Project (DFDP‐2). We present observational evidence for extensive fracturing high hydraulic conductivity (∼10 −9 to 10 −7 m/s, corresponding permeability ∼10 −16 −14 m 2 ) extending several hundred meters from...
During the second phase of Alpine Fault, Deep Fault Drilling Project (DFDP) in Whataroa River, South Westland, New Zealand, bedrock was encountered DFDP-2B borehole from 238.5–893.2 m Measured Depth (MD). Continuous sampling and meso- to microscale characterisation whole rock cuttings established that, sequence, sampled amphibolite facies, Torlesse Composite Terrane-derived schists, protomylonites mylonites, terminating 200–400 above an Principal Slip Zone (PSZ) with a maximum dip 62°. The...
Abstract Earthquakes have been inferred to induce hydrological changes in aquifers on the basis of either well water‐levels or tidal behavior, but relationship between these remains unclear. Here, behavior and are quantified using a network monitoring gravel Canterbury, New Zealand, response nine earthquakes (of magnitudes M w 5.4 7.8) that occurred 2008 2015. Of 161 wells analyzed, only 35 contain water‐level fluctuations associated with “Earth + Ocean” (7) “Ocean” (28) tides. Permeability...
The 2016 M w 7.8 Kaikōura earthquake induced groundwater level changes throughout New Zealand. Water were recorded at 433 sites in compositionally diverse, young, shallow aquifers, distances of between 4 and 850 km from the epicentre. are inconsistent with static stress but do correlate peak ground acceleration (PGA). At PGAs exceeding ~2 m/s 2 , water predominantly persistent increases. lower PGAs, there approximately equal numbers increases decreases. Shear-induced consolidation is...
ABSTRACT A probabilistic model for earthquake-induced persistent groundwater-level response as a function of peak ground velocity (PGV) has been constructed using catalog monitoring well observations spanning multiple earthquakes. The regional-scale, multi-site, multi-earthquake investigation addresses the occurrence and absence hydraulic responses to large earthquakes almost decade seismic shaking. Persistent changes, or absences change, have quantified in 495 wells one more 11 recent New...
Arsenic is a carcinogen known for its acute toxicity to organisms. Geothermal waters are commonly high in arsenic, as shown at the Bjarnarflag Power Plant, Iceland (∼224 μg/kg of solvent). Development geothermal energy requires adequate disposal arsenic-rich into groundwater/geothermal systems. The outcome arsenic transport models that assess effect effluent on environment and ecosystems may be influenced by sensitivity hydraulic parameters. However, previous such studies do not consider...
© 2017. American Geophysical Union. All Rights Reserved. Fault rock assemblages reflect interaction between deformation, stress, temperature, fluid, and chemical regimes on distinct spatial temporal scales at various positions in the crust. Here we interpret measurements made hanging-wall of Alpine during second stage Deep Drilling Project (DFDP-2). We present observational evidence for extensive fracturing high hydraulic conductivity (∼10−9 to 10−7 m/s, corresponding permeability ∼10−16...
© 2017. American Geophysical Union. All Rights Reserved. Fault rock assemblages reflect interaction between deformation, stress, temperature, fluid, and chemical regimes on distinct spatial temporal scales at various positions in the crust. Here we interpret measurements made hanging-wall of Alpine during second stage Deep Drilling Project (DFDP-2). We present observational evidence for extensive fracturing high hydraulic conductivity (∼10−9 to 10−7 m/s, corresponding permeability ∼10−16...