Sustainable intensification of agricultural drainage

Castellano, Michael J.; Archontoulis, Sotirios; Helmers, Matthew J.; Poffenbarger, Hanna J.; Six, Johan

doi:10.1038/s41893-019-0393-0

Cited by 108 publications

(87 citation statements)

References 53 publications

(73 reference statements)

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“…There are numerous factors influencing CO 2 patterns in stream systems, and site-specific controls often dominate. Hence, large-scale generalizations are difficult to make (Crawford et al, 2017). Based on high-frequency data, CO 2 concentrations in streams draining nutrient-poor forest and peatlands, as well as tropical forests, are often found related to variations in stream discharge but with site-specific response patterns, with CO 2 found to be either positively or negatively related to stream discharge (Crawford et al, 2017;Dinsmore et al, 2013;Johnson et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

“…Hence, large-scale generalizations are difficult to make (Crawford et al, 2017). Based on high-frequency data, CO 2 concentrations in streams draining nutrient-poor forest and peatlands, as well as tropical forests, are often found related to variations in stream discharge but with site-specific response patterns, with CO 2 found to be either positively or negatively related to stream discharge (Crawford et al, 2017;Dinsmore et al, 2013;Johnson et al, 2007). These response patterns have often been connected to the catchment characteristics and changes in hydrological pathways, which in turn control the dominant source areas (both from a vertical and lateral point of view) of CO 2 in the catchment soils (Campeau et al, 2018;Leith et al, 2015;Dinsmore and Billett, 2008).…”

Section: Introductionmentioning

confidence: 99%

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Carbon dioxide dynamics in an agricultural headwater stream driven by hydrology and primary production

et al. 2020

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Abstract. Headwater streams are known to be hotspots for carbon dioxide (CO2) emissions to the atmosphere and are hence important components in landscape carbon balances. However, surprisingly little is known about stream CO2 dynamics and emissions in agricultural settings, a land use type that globally covers ca. 40 % of the continental area. Here we present hourly measured in situ stream CO2 concentration data from a 11.3 km2 temperate agricultural headwater catchment covering more than 1 year (in total 339 d excluding periods of ice and snow cover). The stream CO2 concentrations during the entire study period were generally high (median 3.44 mg C L−1, corresponding to partial pressures (pCO2) of 4778 µatm) but were also highly variable (IQR = 3.26 mg C L−1). The CO2 concentration dynamics covered a variety of different timescales from seasonal to hourly, with an interplay of hydrological and biological controls. The hydrological control was strong (although with both positive and negative influences dependent on season), and CO2 concentrations changed rapidly in response to rainfall and snowmelt events. However, during growing-season base flow and receding flow conditions, aquatic primary production seemed to control the stream CO2 dynamics, resulting in elevated diel patterns. During the dry summer period, rapid rewetting following precipitation events generated high CO2 pulses exceeding the overall median level of stream CO2 (up to 3 times higher) observed during the whole study period. This finding highlights the importance of stream intermittency and its effect on stream CO2 dynamics. Given the observed high levels of CO2 and its temporally variable nature, agricultural streams clearly need more attention in order to understand and incorporate these considerable dynamics in large-scale extrapolations.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Carbon dioxide dynamics in an agricultural headwater stream driven by hydrology and primary production

et al. 2020

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“…Here we suggest, by exploring the hysteresis loops, that such positive relationships are influenced by the size of the available catchment CO2 pool or the hydrological connectivity to it. In a highly drained low-elevation agricultural landscape where much of the stream runoff is generated through drainage pipes (Castellano et al 2019), the extent and spatial distribution of these connections between ground-and surface water are central for the CO2 patterns observed in the stream.…”

Section: Discussionmentioning

confidence: 99%

Carbon dioxide dynamics in an agricultural headwater stream driven by hydrology and primary production

Wallin¹

2020

Preprint

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Abstract. Headwater streams are known to be hotspots for carbon dioxide (CO2) emissions to the atmosphere and are hence important components in landscape carbon balances. However, surprisingly little is known about stream CO2 dynamics and emissions in agricultural settings, a land-use type that globally cover ca 40&#8201;% of the continental area. Here we present continuously measured in-situ CO2 concentration data from a temperate agricultural headwater stream covering more than one year of open-water season. The stream CO2 concentrations during the entire study period were generally high (median 3.44&#8201;mg&#8201;C&#8201;L&#8722;1, corresponding to partial pressures (pCO2) of 4778&#8201;&#181;atm) but were also highly variable (IQR&#8201;=&#8201;3.26&#8201;mg&#8201;C&#8201;L&#8722;1). The CO2 concentration dynamics covered a variety of different time-scales from seasonal to hourly, and with an interplay of hydrological and biological controls. The hydrological control was strong (although with both positive as well as negative influences dependent on season) and CO2 concentrations changed rapidly in response to rainfall and snowmelt events. However, during growing-season baseflow and receding flow conditions, aquatic primary production seemed to control the stream CO2 dynamics resulting in elevated diel patterns. Given the observed high levels of CO2 and its temporally variable nature, agricultural streams clearly need more attention in order to understand and incorporate these considerable dynamics in large scale extrapolations.

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“…During the last 30 years and particularly the 21st century, new topics such as best management practices (BMP) [146], smart drainage [147], automated drainage [148,149], and sustainable drainage [149,150] have been considered to address the challenges regarding climate change and environmental issues to meet sustainable development in future [151][152][153][154][155][156][157].…”

Section: Present Times (From 1900 To Today)mentioning

confidence: 99%

The Evolution of Agricultural Drainage from the Earliest Times to the Present

et al. 2020

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Agricultural developments require changes in land surface and subsurface hydraulic functions as protection from floods, reclamation of flooded land, irrigation, and drainage. Drainage of agricultural land has a long history and apparently traces back to the earliest civilizations of Mesopotamia and Iran before 4000 BC. In the Eastern Mediterranean, the Minoan and Mycenaean civilizations developed techniques and strategies of drainage of agricultural lands from the middle of the 2nd millennium BC. After the collapse of the Aegean Bronze-age civilizations, society building and agricultural innovation in the archaic and Classical periods (ca. 800–300 BC) included successful attempts at controlling drainage and irrigation techniques. In addition, China, India, and Mesoamerica have extensive histories of drainage. The aim of this review paper is to trace the evolution of the main foundings on agricultural drainage technologies through the centuries until the present. This historical review reveals valuable insights into ancient hydraulic technologies as well as irrigation and drainage management that will help to find bright horizons for sustainable agriculture in future.

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Sustainable intensification of agricultural drainage

Cited by 108 publications

References 53 publications

Carbon dioxide dynamics in an agricultural headwater stream driven by hydrology and primary production

Carbon dioxide dynamics in an agricultural headwater stream driven by hydrology and primary production

Carbon dioxide dynamics in an agricultural headwater stream driven by hydrology and primary production

The Evolution of Agricultural Drainage from the Earliest Times to the Present

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