Temperature dependence of basalt weathering

Li, Gaojun; Hartmann, Jens; Derry, Louis A.; West, A. Joshua; You, Chen Feng; Long, Xiaoyong; Zhan, Tao; Li, Laifeng; Li, Gen; Qiu, Wenhong Johnson; Li, Tao; Liu, Lianwen; Yang, Chen; Ji, Junfeng; Zhao, Liang; Chen, Jun

doi:10.1016/j.epsl.2016.03.015

Cited by 142 publications

(100 citation statements)

References 111 publications

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“…7 and suggest a weak, but statistically significant temperature control for SiO 2 (aq) and Na * only. These trends are consistent with observations that dissolution rates increase with increasing temperature following Arrhenius-type relationships (e.g., Oelkers and Gíslason, 2001;Gíslason and Oelkers, 2003;Eiriksdottir et al, 2013;Li et al, 2016). Since solute fluxes are driven by runoff (Eiriksdottir et al, 2013), these results emphasize the importance of evaluating and considering concentration-discharge behavior in weathering flux datasets and compilations (e.g., .…”

Section: Chemostatic Concentration (C Max )supporting

confidence: 79%

“…Since solute fluxes are driven by runoff (Eiriksdottir et al, 2013), these results emphasize the importance of evaluating and considering concentration-discharge behavior in weathering flux datasets and compilations (e.g., . Runoff and temperature are inherently positively correlated in most datasets covering large ranges in latitudinal settings, such as those used to derive Arrhenius-type weathering relationships (e.g., Dessert et al, 2003;Li et al, 2016).…”

Section: Chemostatic Concentration (C Max )mentioning

confidence: 99%

“…For example, basaltic catchments weather faster than other silicates and account for approximately 20-35% of the modern global silicate weathering and CO2 consumption flux, while occupying less than 5% of sub-aerial continental area (Gíslason et al, 1996(Gíslason et al, , 2009 have been critically important in controlling past levels of atmospheric CO2 (pCO2) (Li and Elderfield, 2013;Kent and Muttoni, 2013;Molnar and Cronin, 2015;Jagoutz et al, 2016). However, scaling modern observations of weathering fluxes from catchments to both large spatial and temporal scales (e.g., Wallmann, 2001;Lefebvre et al, 2013;Li and Elderfield, 2013;Kent andMuttoni, 2008, 2013;Mills et al, 2014a;Li et al, 2016;Jagoutz et al, 2016;Cox et al, 2016) remains a challenge due to the lack of phenomenological modeling frameworks that predict weathering fluxes at both catchment and global scales under different climate states.…”

Section: Introductionmentioning

confidence: 99%

“…These empirical laws are derived by fitting modern weathering rates to variables such as lithology, runoff, topographic slope, and temperature (Amiotte-Suchet and Probst, 1993;White and Blum, 1995;Gaillardet et al, 1999;Dessert et al, 2001Dessert et al, , 2003Dupré et al, 2003;Navarre-Sitchler and Thyne, 2007;Hartmann et al, 2010Hartmann et al, , 2014a and are often assumed to follow the form of either an exponential Arrhenius equation or power law (Velbel, 1993;White et al, 1999a;Gíslason and Oelkers, 2003;Carroll and Knauss, 2005;Gíslason et al, 2009;Eiriksdottir et al, 2013;Li and Long, 2014;Li et al, 2016). However, as discharge increases, solute concentrations decrease due to dilution, which results in an apparent plateau in weathering fluxes even as runoff increases Eiriksdottir et al, 2013;.…”

Section: Introductionmentioning

confidence: 99%

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Paleoclimate Constraints on Terrestrial Hydroclimate, Silicate Weathering, and the Carbon Cycle

Ibarra¹

2018

Preprint

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Maintenance of a habitable planet requires connections and balance among Earth’s biogeochemical cycles. Further, the strength of the feedbacks and couplings determines the stability of conditions in the surface climate system necessary for the evolution of life. Records of Earth’s past climate, paleoclimate records, provide constraints beyond the reach of the instrumental record on the directionality, strength and co-evolution of key Earth system cycles. This includes the geologic carbon cycle, the water cycle and the planet’s energy balance. Crucially, the geography, topography and lithology of Earth’s continents have two important features that are the focus of this dissertation. First, the continents provide boundary conditions that determine global circulation and hydroclimate patterns that couple Earth’s water and carbon cycles (Chapters 1 and 2). Second, the land surface provides a stabilizing negative feedback in the form of silicate weathering fluxes (Chapters 3 and 4, and Appendix E), balancing the long-term carbon cycle through alkalinity and solute delivery to the oceans, and subsequent carbonate burial. In this dissertation I use data, observations and modeling to place mechanistic constraints on how interactions between Earth’s surface and long-term biogeochemical cycles maintain balance and habitable conditions in our climate system conducive for the evolution of life. Fundamental to understanding our climate system is predicting the anticipated sign of terrestrial hydroclimate change during periods of climatic change. To this end I have investigated the regional response of hydroclimate change using paleoclimate records from mid-latitude lake systems. First, in Chapter 1, I have developed an inverse model to quantify how a mid-latitude lake system in Asia, the Songliao Basin, responded to a transient warming event during the Cretaceous. This model was also applied to a Holocene ostracod record from Lake Miragoane, Haiti. Second, in Chapter 2, I compile spatial distributions and size estimates of pluvial lake systems in western North America during the Pliocene-Pleistocene. By imposing mass and energy balance constraints (sensu Budyko) I forward modeled lake area distributions to demonstrate that now-arid western North America was wetter during both past colder and warmer periods during the Pliocene-Pleistocene, a result not predicted for future warming scenarios. Geologic observations primarily suggest wetter conditions globally during warmer-than-present periods. Importantly, this observation is a requirement for the operation of the stabilizing negative feedback between silicate weathering and climate. Understanding the factors that control silicate weathering rates is fundamental to constraining the evolution of Earth’s carbon cycle over geologic timescales. One challenge for reconstructing past weathering rates is determining the reactivity of Earth’s surface. In Chapter 3 I have quantified the reactivity of modern basalt and granite catchments using a process-based solute production model and concentration-discharge weathering relationships. This approach provides mechanisms that link runoff (i.e., terrestrial hydroclimate changes that were the focus of Chapters 1 and 2) with the distribution of global sub-aerial silicate lithologies. In Chapter 4 I utilize an emerging metal isotope system, lithium isotopes, to investigate the terrestrial weathering response to a large perturbation in the carbon cycle during the Cretaceous. We determine that the background-state of the Cretaceous weathering system was more congruent and, hence, more sensitive to perturbations in the carbon cycle than during the Neogene. Finally, in Appendix E I have quantified how step-wise geologic evolution of land plants strengthened the silicate weathering feedback over the Phanerozoic. I have developed a new reactive transport framework for evaluating the relative plant-controlled roles of hydrologic versus thermodynamic mechanisms that influence the coupling between the water cycle and silicate weathering fluxes on a continental scale. The results described in this dissertation constrain links between two connected portions of the exogenic Earth system. I have provided constraints for how the land surface records past changes in regional atmospheric circulation patterns, as well as regional water and energy balances. Further, using reactive transport modeling, I have placed new constraints on the role of plants and lithology in determining the coupling between terrestrial hydroclimate and weathering. Collectively these results suggest that the surface Earth system, our planet’s fluid envelope, has been progressively tuned by the advent of continents and the evolution of life. [Note: this is the non-embargoed portion of my dissertation]

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Section: Chemostatic Concentration (C Max )supporting

confidence: 79%

Section: Chemostatic Concentration (C Max )mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Paleoclimate Constraints on Terrestrial Hydroclimate, Silicate Weathering, and the Carbon Cycle

Ibarra¹

2018

Preprint

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“…However, the exact surface age of by the function identified in Li et al (2016). This reactivity R is compared with the relative age 67 distribution of surface areas, using the fraction of the Holocene area on the total studied area.…”

mentioning

confidence: 99%

Short Communication: Aging of basalt volcanic systems and decreasing CO<sub>2</sub> consumption by weathering

Börker

Hartmann

Romero‐Mujalli

et al. 2018

Preprint

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Biological Weathering in the Terrestrial System

Zaharescu

Burghelea

Dontsova

et al. 2020

Biogeochemical Cycles

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Temperature dependence of basalt weathering

Cited by 142 publications

References 111 publications

Paleoclimate Constraints on Terrestrial Hydroclimate, Silicate Weathering, and the Carbon Cycle

Paleoclimate Constraints on Terrestrial Hydroclimate, Silicate Weathering, and the Carbon Cycle

Short Communication: Aging of basalt volcanic systems and decreasing CO<sub>2</sub> consumption by weathering

Biological Weathering in the Terrestrial System

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Temperature dependence of basalt weathering

Cited by 142 publications

References 111 publications

Paleoclimate Constraints on Terrestrial Hydroclimate, Silicate Weathering, and the Carbon Cycle

Paleoclimate Constraints on Terrestrial Hydroclimate, Silicate Weathering, and the Carbon Cycle

Short Communication: Aging of basalt volcanic systems and decreasing CO&lt;sub&gt;2&lt;/sub&gt; consumption by weathering

Biological Weathering in the Terrestrial System

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Product

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Short Communication: Aging of basalt volcanic systems and decreasing CO<sub>2</sub> consumption by weathering