Penny J Johnes

发表

Environmental Virtual Observatory

Paul Quinn, Keith Beven, Doerthe Tetzlaff, 2014 .

Environmental Virtual Observatory Pilot Project

Paul Quinn, Gordon S. Blair, Keith Beven, 2014 .

Trial classification of lake and water quality in England and Wales.

Brian Moss, Chris J. Curtis, Helen Bennion, 1998 .

INTEGRATING GEOPHYSICS AND GEOARCHAEOLOGY FOR A HERITAGE MANAGEMENT TOOLKIT IN WETLANDS:: SHAPWICK HEATH CASE STUDY

Penny J Johnes, S. Robinson, C. J. Bunting, 2013 .

European Geophysical Union General Assembly, Vienna, Austria

Jim E Freer, Penny J Johnes, Adrian L. Collins, 2012 .

Environmental Virtual Observatory: Final Report

Paul Quinn, Keith Beven, Doerthe Tetzlaff, 2014 .

Heads in the cloud: innovation in data and model dissemination

Gordon S. Blair, Doerthe Tetzlaff, Bridget A. Emmett, 2014 .

Heads in the cloud

Paul Quinn, Gordon S. Blair, Doerthe Tetzlaff, 2014 .

Integrating nitrogen fluxes at the European scale

Mark A. Sutton, Adrian Leip, Wilfried Winiwarter, 2011 .

MODELLING THE IMPACT OF LAND USE CHANGE ON WATER QUALITY IN AGRICULTURAL CATCHMENTS

Penny J Johnes, Ann Louise Heathwaite, P. Johnes, 1997 .

Land use for achieving ‘good ecological status’ of waterbodies in England and Wales: a theoretical exploration for nitrogen and phosphorus

Penny J Johnes, Paul J. A. Withers, P. M. Haygarth, 2003 .

Landscape, regional and global estimates of nitrogen flux from land to sea: Errors and uncertainties

Penny J Johnes, P. Johnes, D. Butterfield, 2002 .

Nitrogen fluxes from the landscape are controlled by net anthropogenic nitrogen inputs and by climate

Josette Garnier, Penny J Johnes, Christoph Humborg, 2012 .

Geophysical Research Abstracts

Jim E Freer, Penny J Johnes, Adrian L. Collins, 2013 .

The determination of total nitrogen and total phosphorus concentrations in freshwaters from land use, stock headage and population data: testing of a model for use in conservation and water quality management

Penny J Johnes, G. Phillips, B. Moss, 1996 .

The Phosphorus Indicators Tool: a simple model of diffuse P loss from agricultural land to water

Penny J Johnes, Ann Louise Heathwaite, P. Johnes, 2003 .

Uncertainties in annual riverine phosphorus load estimation: Impact of load estimation methodology, sampling frequency, baseflow index and catchment population density

Penny J Johnes, P. Johnes, 2007 .

A comparison of diatom phosphorus transfer functions and export coefficient models as tools for reconstructing lake nutrient histories

Helen Bennion, Penny J Johnes, H. Bennion, 2005 .

Technical Note: Testing an improved index for analysing storm discharge–concentration hysteresis

Jim E Freer, Penny J Johnes, Adrian L. Collins, 2016 .

Evaluation and management of the impact of land use change on the nitrogen and phosphorus load delivered to surface waters: the export coefficient modelling approach

Penny J Johnes, P. Johnes, 1996 .

European Nitrogen Assessment

Lutz Breuer, Josette Garnier, Penny J Johnes, 2011 .

Nitrogen flows from European regional watersheds to coastal marine waters

Josette Garnier, Adrian Leip, Penny J Johnes, 2011 .

A comparison of models for estimating the riverine export of nitrogen from large watersheds

Penny J Johnes, Elizabeth W. Boyer, Richard B. Alexander, 2002 .

Nitrogen as a threat to European water quality

Josette Garnier, Penny J Johnes, Ana Cristina Cardoso, 2011 .

The Natural History of Slapton Ley Nature Reserve XVIII: nitrogen and phosphorus losses from the catchment - an export coefficient modelling approach

Penny J Johnes, P. Johnes, P. O'sullivan, 1989 .

High-frequency monitoring of nitrogen and phosphorus response in three rural catchments to the end of the 2011–2012 drought in England

Matthew T Perks, Philip M. Haygarth, Jim E Freer, 2014 .

AGU Fall Meeting Abstracts

Penny J Johnes, P. Johnes, Demonstration Test Catchments Team, 2013 .

Implementing the Water Framework Directive

Penny J Johnes, Geoffrey Phillips, 2000 .

Trends in nutrients

A. Louise Heathwaite, Penny J Johnes, Norman E. Peters, 1996 .