Professor Nicholas J K Howden

Research Output

Research Output per year

2004 2020

• 65 Article (Academic Journal)
• 30 Conference Contribution (Conference Proceeding)
• 4 Conference Poster
• 3 Commissioned report
• 8 More
  • 3 Conference Paper
  • 1 Chapter in a book
  • 1 Conference Abstract
  • 1 Comment/debate (Academic Journal)
  • 1 Editorial (Academic Journal)
  • 1 Other contribution

Research Output per year

Research Output per year

Search results

• 2020

  CAMELS-GB: Hydrometeorological time series and landscape attributes for 671 catchments in Great Britain

  Coxon, G., Freer, J. E., Woods, R., Wagener, T., Lane, R. A. & Howden, N. J. K., 12 Oct 2020, In : Earth System Science Data.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  • catchment
  • attribute
  • time series
  • hydrology
  • landscape management

• Global karst springs hydrograph dataset for research and management of the world’s fastest-flowing groundwater

  WoKAS, 20 Feb 2020, In : Scientific Data. 7, 1, 59.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • Groundwater
  • Datasets
  • Databases
  • Hydrology
  • Carbonates
  7 Citations (Scopus)

  26 Downloads (Pure)

• Hydrological signatures describing the translation of climate seasonality into streamflow seasonality

  Gnann, S. J., Howden, N. J. K. & Woods, R., Feb 2020, In : Hydrology and Earth System Sciences. 24, 2, p. 561–580 20 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • seasonality
  • streamflow
  • catchment
  • climate
  • potential evapotranspiration
  2 Citations (Scopus)

  193 Downloads (Pure)

• The probability of breaching water quality standards – A probabilistic model of river water nitrate concentrations

  Worrall, F., Kerns, B., Howden, N. J. K., Burt, T. P. & Jarvie, H. P., Apr 2020, In : Journal of Hydrology. 583, 124562.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • quality standard
  • river water
  • nitrate
  • water quality
  • sampling
  1 Citation (Scopus)

  2 Downloads (Pure)
• 2019

  DECIPHeR v1: Dynamic fluxEs and ConnectIvity for Predictions of HydRology

  Coxon, G., Freer, J., Lane, R., Dunne, T., Knoben, W., Howden, N., Quinn, N., Wagener, T. & Woods, R., 14 Jun 2019, In : Geoscientific Model Development. 12, 6, p. 2285-2306 22 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • connectivity
  • hydrology
  • prediction
  • catchment
  • hydrologic flow
  10 Citations (Scopus)

  185 Downloads (Pure)

• Drivers of interannual and intra-annual variability of dissolved organic carbon concentration in the River Thames between 1884 and 2013

  Noacco, V., Duffy, C., Wagener, T., Worrall, F., Fasiolo, M. & Howden, N., 15 Mar 2019, In : Hydrological Processes. 33, 6, p. 994-1012 19 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • dissolved organic carbon
  • river
  • anthropogenic factor
  • world
  • atmospheric circulation
  2 Citations (Scopus)

  77 Downloads (Pure)

• Is There a Baseflow Budyko Curve?

  Gnann, S., Woods, R. & Howden, N., 8 Apr 2019, In : Water Resources Research. 55, 4, p. 2838-2855 18 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • baseflow
  • catchment
  • aridity
  • index
  • wetting
  10 Citations (Scopus)

  378 Downloads (Pure)

• The Impact of Peatland Restoration on Local Climate: Restoration of a Cool Humid Island

  Worrall, F., Boothroyd, I., Gardner, R., Howden, N., Burt, T. P., Smith, R., Mitchell, L., Kohler, T. & Gregg, R., 18 Jul 2019, In : Journal of Geophysical Research: Biogeosciences. 124, 6, p. 1696-1713 18 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • peatland
  • land use change
  • restoration
  • forestry
  • land surface
  2 Citations (Scopus)

  203 Downloads (Pure)

• The importance of sewage effluent discharge in the export of dissolved organic carbon from U.K. rivers

  Worrall, F., Howden, N. J. K., Burt, T. P. & Bartlett, R., 30 Jun 2019, In : Hydrological Processes. 33, 13, p. 1851-1864 14 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • dissolved organic carbon
  • sewage
  • effluent
  • river
  • sewage treatment
  4 Citations (Scopus)

  44 Downloads (Pure)
• 2018

  Declines in the dissolved organic carbon (DOC) concentration and flux from the UK

  Worrall, F., Howden, N. J. K., Burt, T. P. & Bartlett, R., 1 Jan 2018, In : Journal of Hydrology. 556, p. 775-789 15 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • dissolved organic carbon
  • headwater
  • catchment
  • Urban Waste Water Treatment Directive
  • trend
  12 Citations (Scopus)

  283 Downloads (Pure)

• Forty-year trends in the flux and concentration of phosphorus in British rivers

  Civan, A., Worrall, F., Jarvie, H. P., Howden, N. J. K. & Burt, T. P., Mar 2018, In : Journal of Hydrology. 558, p. 314-327 14 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • phosphorus
  • trend
  • river
  • Urban Waste Water Treatment Directive
  • trend analysis
  8 Citations (Scopus)

  129 Downloads (Pure)

• Process-based modelling to evaluate simulated groundwater levels and frequencies in a Chalk catchment in south-western England

  Brenner, S., Coxon, G., Howden, N. J. K., Freer, J. & Hartmann, A., Feb 2018, In : Natural Hazards and Earth System Sciences. 18, 2, p. 445-461 17 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • chalk
  • catchment
  • groundwater
  • modeling
  • test
  10 Citations (Scopus)

  380 Downloads (Pure)

• The fate of suspended sediment and particulate organic carbon in transit through the channels of a river catchment

  Worrall, F., Burt, T. P., Howden, N. J. K., Hancock, G. R. & Wainwright, J., 8 Jan 2018, In : Hydrological Processes. 32, 1, p. 146-159 14 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • particulate organic carbon
  • suspended sediment
  • catchment
  • particulate organic matter
  • river
  7 Citations (Scopus)

  461 Downloads (Pure)

• The stable oxygen isotope ratio of resin extractable phosphate derived from fresh cattle faeces

  Granger, S. J., Yang, Y., Pfahler, V., Hodgson, C., Smith, A. C., Le Cocq, K., Collins, A. L., Blackwell, M. S. A. & Howden, N. J. K., 15 May 2018, In : Rapid Communications in Mass Spectrometry. 32, 9, p. 703-710 8 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • Oxygen Isotopes
  • Animals
  • Mass spectrometers
  • Resins
  • Phosphates
  2 Citations (Scopus)

  223 Downloads (Pure)
• 2017

  Human impact on long-term organic carbon export to rivers

  Noacco, V., Wagener, T., Worrall, F., Burt, T. P. & Howden, N. J. K., Apr 2017, In : Journal of Geophysical Research: Biogeosciences. 122, 4, p. 947-965 19 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • anthropogenic effect
  • dissolved organic carbon
  • organic carbon
  • river
  • carbon
  14 Citations (Scopus)

  392 Downloads (Pure)

• Phosphate stable oxygen isotope variability within a temperate agricultural soil

  Granger, S. J., Harris, P., Peukert, S., Guo, R., Tamburini, F., Blackwell, M. S. A., Howden, N. J. K. & McGrath, S., 1 Jan 2017, In : Geoderma. 285, p. 64-75 12 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • temperate soils
  • agricultural soils
  • agricultural soil
  • isotopes
  • oxygen isotope
  18 Citations (Scopus)

  365 Downloads (Pure)
• 2016

  [Withdrawn] Declines in the dissolved organic carbon (DOC) concentration and flux from the UK

  Worrall, F., Burt, T. P., Howden, N. J. K. & Bartlett, R., 30 Aug 2016, (Unpublished) In : Journal of Hydrology. 14 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • dissolved organic carbon
  • headwater
  • catchment
  • Urban Waste Water Treatment Directive
  • trend

• Long-term accumulation and transport of anthropogenic phosphorus in three river basins

  Powers, S. M. & Howden, N., 11 Apr 2016, In : Nature Geoscience. 9, p. 353-356 5 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • river basin
  • phosphorus
  • fertilizer
  • basin
  • food waste
  129 Citations (Scopus)

  587 Downloads (Pure)

• More rain, less soil: long-term changes in rainfall intensity with climate change

  Burt, T. P., Boardman, J., Foster, I. & Howden, N., 30 Mar 2016, In : Earth Surface Processes and Landforms. 41, p. 563-566 4 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • long-term change
  • erosion
  • precipitation intensity
  • soil erosion
  • climate change
  34 Citations (Scopus)

  333 Downloads (Pure)

• The changing water cycle: hydroclimatic extremes in the British Isles

  Burt, TP., Howden, N. & Worrall, F., Nov 2016, In : Wiley Interdisciplinary Reviews: Water. 3, 6, p. 854-870 17 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • hydrological cycle
  • long-term change
  • atmospheric circulation
  • river flow
  • trend
  270 Downloads (Pure)

• The fluvial flux of particulate organic matter from the UK: The emission factor of soil erosion

  Worrall, F., Burt, T. P. & Howden, N. J. K., 1 Jan 2016, In : Earth Surface Processes and Landforms. 41, 1, p. 61-71 11 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • particulate organic matter
  • emission factor
  • erosion
  • soil erosion
  • greenhouse gas
  13 Citations (Scopus)

• The fluvial flux of total reactive and total phosphorus from the UK in the context of a national phosphorus budget: comparing UK river fluxes with phosphorus trade imports and exports

  Worrall, F., Jarvie, H. P., Howden, N. J. K. & Burt, T. P., 1 Oct 2016, In : Biogeochemistry. 130, 1-2, p. 31-51 21 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • Phosphorus
  • import
  • Rivers
  • budget
  • Fluxes
  11 Citations (Scopus)

  300 Downloads (Pure)

• The UK’s total nitrogen budget from 1990 to 2020: a transition from source to sink?

  Worrall, F., Burt, T. P., Howden, N. J. K. & Whelan, M. J., 1 Sep 2016, In : Biogeochemistry. 129, 3, p. 325-340 16 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • Nitrogen
  • budget
  • atmospheric emission
  • Fertilizers
  • transition
  2 Citations (Scopus)

  409 Downloads (Pure)

• Water availability and agricultural demand: An assessment framework using global datasets in a data scarce catchment, Rokel-Seli River, Sierra Leone

  Masafu, C. K., Trigg, M. A., Carter, R. & Howden, N. J. K., Dec 2016, In : Journal of Hydrology: Regional Studies. 8, p. 222-234 13 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  Open Access

  File

  • water availability
  • catchment
  • demand
  • river
  • water demand
  9 Citations (Scopus)

  507 Downloads (Pure)
• 2015

  An analysis of rainfall across the British Isles in the 1870s

  Burt, T. P., Jones, P. D. & Howden, N. J. K., 1 Aug 2015, In : International Journal of Climatology. 35, 10, p. 2934-2947 14 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • weather
  • rainfall
  • westerly
  • vorticity
  • analysis
  9 Citations (Scopus)

• Evidence for nitrogen accumulation: the total nitrogen budget of the terrestrial biosphere of a lowland agricultural catchment

  Worrall, F., Howden, N. J. K. & Burt, T. P., 1 Apr 2015, In : Biogeochemistry. 123, 3, p. 411-428 18 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • Catchments
  • agricultural catchment
  • inorganic fertilizer
  • biosphere
  • Nitrogen
  27 Citations (Scopus)

• Quantifying landscape-level methane fluxes in subarctic Finland using a multiscale approach

  Hartley, I. P., Hill, T. C., Wade, T. J., Clement, R. J., Moncrieff, J. B., Prieto-Blanco, A., Disney, M. I., Huntley, B., Williams, M., Howden, N. J. K., Wookey, P. A. & Baxter, R., 1 Oct 2015, In : Global Change Biology. 21, 10, p. 3712-3725 14 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • Betula
  • Methane
  • Forests
  • Photography
  • Finland
  16 Citations (Scopus)

• Seeing the climate through the trees: Observing climate and forestry impacts on streamflow using a 60-year record

  Burt, T. P., Howden, N. J. K., Mcdonnell, J. J., Jones, J. A. & Hancock, G. R., 30 Jan 2015, In : Hydrological Processes. 29, 3, p. 473-480 8 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • climate effect
  • forestry
  • streamflow
  • Southern Oscillation
  • watershed
  19 Citations (Scopus)

• Shifts in discharge-concentration relationships as a small catchment recover from severe drought

  Burt, T. P., Worrall, F., Howden, N. J. K. & Anderson, M. G., 15 Feb 2015, In : Hydrological Processes. 29, 4, p. 498-507 10 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • drought
  • catchment
  • moorland
  • water pump
  • water quality
  26 Citations (Scopus)

• The problem of self-correlation in fluvial flux data - The case of nitrate flux from UK rivers

  Worrall, F., Burt, T. P. & Howden, N. J. K., 1 Nov 2015, In : Journal of Hydrology. 530, p. 328-335 8 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • catchment
  • nitrate
  • river
  • water yield
  • comparison
  1 Citation (Scopus)

• Time series analysis of the world's longest fluvial nitrate record: Evidence for changing states of catchment saturation

  Worrall, F., Howden, N. J. K. & Burt, T. P., 30 Jan 2015, In : Hydrological Processes. 29, 3, p. 434-444 11 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • time series analysis
  • catchment
  • nitrate
  • saturation
  • world
  6 Citations (Scopus)

• Understanding the diurnal cycle in fluvial dissolved organic carbon - The interplay of in-stream residence time, day length and organic matter turnover

  Worrall, F., Howden, N. J. K. & Burt, T. P., 1 Apr 2015, In : Journal of Hydrology. 523, p. 830-838 9 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • day length
  • dissolved organic carbon
  • turnover
  • residence time
  • organic matter
  12 Citations (Scopus)
• 2014

  A method of estimating in-stream residence time of water in rivers

  Worrall, F., Howden, N. J. K. & Burt, T. P., 6 May 2014, In : Journal of Hydrology. 512, p. 274-284 11 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • residence time
  • river
  • catchment
  • water
  • method
  20 Citations (Scopus)

• Sustainable phosphorus management and the need for a long-term perspective: The legacy hypothesis

  Haygarth, P. M., Jarvie, H. P., Powers, S. M., Sharpley, A. N., Elser, J. J., Shen, J., Peterson, H. M., Chan, N. I., Howden, N. J. K., Burt, T., Worrall, F., Zhang, F. & Liu, X., 5 Aug 2014, In : Environmental Science and Technology. 48, 15, p. 8417-8419 3 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  87 Citations (Scopus)

• The fluvial flux of particulate organic matter from the UK: Quantifying in-stream losses and carbon sinks

  Worrall, F., Burt, T. P. & Howden, N. J. K., 7 Nov 2014, In : Journal of Hydrology. 519, PA, p. 611-625 15 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • carbon sink
  • particulate organic matter
  • loss
  • catchment
  • river
  26 Citations (Scopus)

• Variation in suspended sediment yield across the UK - A failure of the concept and interpretation of the sediment delivery ratio

  Worrall, F., Burt, T. P., Howden, N. J. K. & Hancock, G. R., 7 Nov 2014, In : Journal of Hydrology. 519, PB, p. 1985-1996 12 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • sediment yield
  • suspended sediment
  • catchment area
  • sediment
  • catchment
  5 Citations (Scopus)
• 2013

  Assessment of sample frequency bias and precision in fluvial flux calculations - An improved low bias estimation method

  Worrall, F., Howden, N. J. K. & Burt, T. P., 30 Oct 2013, In : Journal of Hydrology. 503, p. 101-110 10 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • estimation method
  • calculation
  • interpolation
  • solute
  • method
  25 Citations (Scopus)

• Correction of fluvial fluxes of chemical species for diurnal variation

  Worrall, F., Howden, N. J. K., Moody, C. S. & Burt, T. P., 25 Feb 2013, In : Journal of Hydrology. 481, p. 1-11 11 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  11 Citations (Scopus)

• Farming for Water Quality: Balancing Food Security and Nitrate Pollution in UK River Basins

  Howden, N. J. K., Burt, T. P., Worrall, F., Mathias, S. A. & Whelan, M. J., 1 Mar 2013, In : Annals of the Association of American Geographers. 103, 2, p. 397-407 11 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

• North Atlantic Oscillation amplifies orographic precipitation and river flow in upland Britain

  Burt, T. P. & Howden, N. J. K., 2013, In : Water Resources Research. 49, 6, p. 3504-3515 12 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • North Atlantic Oscillation
  • river flow
  • rainfall
  • atmospheric circulation
  • autumn
  41 Citations (Scopus)

• The flux of suspended sediment from the UK 1974 to 2010

  Worrall, F., Burt, T. P. & Howden, N. J. K., 11 Nov 2013, In : Journal of Hydrology. 504, p. 29-39 11 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • suspended sediment
  • catchment
  • soil cover
  • biosphere
  • low flow
  15 Citations (Scopus)
• 2012

  A 125 year record of fluvial calcium flux from a temperate catchment: Interplay of climate, land-use change and atmospheric deposition

  Worrall, F., Howden, N. J. K. & Burt, T. P., 25 Oct 2012, In : Journal of Hydrology. 468, p. 249-256 8 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  4 Citations (Scopus)

• The fluvial flux of nitrate from the UK terrestrial biosphere - An estimate of national-scale in-stream nitrate loss using an export coefficient model

  Worrall, F., Burt, T. P., Howden, N. J. K. & Whelan, M. J., 11 Jan 2012, In : Journal of Hydrology. 414, p. 31 - 39 9 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • biosphere
  • nitrate
  • loss
  • soil
  • river system
  14 Citations (Scopus)

• The flux of dissolved nitrogen from the UK — Evaluating the role of soils and land use

  Worrall, F., Davies, H., Burt, T., Howden, N. J. K., Whelan, M. J., Bhogal, A. & Lilly, A., 15 Sep 2012, In : Science of The Total Environment. 434, p. 90-100 11 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • soil use
  • Land use
  • Nitrogen
  • Fluxes
  • Soils
  21 Citations (Scopus)
• 2011

  A homogenous daily rainfall record for the Radcliffe Observatory, Oxford, from the 1820s

  Burt, TP. & Howden, NJK., 2011, In : Water Resources Research. 47

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  16 Citations (Scopus)

• Analysis of nitrate concentrations using nonlinear time series models

  Valent, P., Howden, NJK., Szolgay, J. & Kormornikova, M., 2011, In : Journal of Hydrology and Hydromechanics. 59 (3), p. 157 - 170

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  7 Citations (Scopus)

• Modelling long-term diffuse nitrate pollution at the catchment-scale: data, parameter and epistemic uncertainty

  Howden, NJK., Burt, TP., Mathias, SA., Worrall, F. & Whelan, MJ., 2011, In : Journal of Hydrology. 403, 3-4, p. 337–351

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  47 Citations (Scopus)

• Monitoring fluvial water chemistry for trend detection: hydrological variability masks trends in datasets covering fewer than 12 years

  Howden, NJK., Burt, TP., Worrall, F. & Whelan, MJ., 2011, In : Journal of Environmental Monitoring.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review
  26 Citations (Scopus)

• Nitrate in United Kingdom Rivers: Policy and Its Outcomes Since 1970

  Burt, T. P., Howden, N. J. K., Worrall, F., Whelan, M. J. & Bieroza, M., 1 Jan 2011, In : Environmental Science and Technology. 45, 1, p. 175-181 7 p.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • diffuse pollution
  • Nitrates
  • Rivers
  • Pollution
  • nitrate
  52 Citations (Scopus)

• Nitrate pollution in intensively farmed regions: What are the prospects for sustaining high-quality groundwater?

  Howden, N. J. K., Burt, T. P., Worrall, F., Mathias, S. & Whelan, M. J., 12 Nov 2011, In : Water Resources Research. 47, 6, 13 p., ARTN W00L02.

  Research output: Contribution to journal › Article (Academic Journal) › peer-review

  • land management
  • nitrate
  • agricultural intensification
  • pollution
  • groundwater
  69 Citations (Scopus)