Jan Franklin Adamowski

Jan Franklin Adamowski
McGill University | McGill · Department of Bioresource Engineering

PhD

About

404
Publications
148,226
Reads
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13,701
Citations
Introduction
Professor, Department of Bioresource Engineering, McGill University, Canada. Adjunct Professor, Institute for Water, Environment and Health, United Nations University, Canada.
Additional affiliations
September 2020 - present
United Nations University (UNU)
Position
  • Professor (Associate)
June 2009 - present
McGill University
Position
  • Professor
January 2008 - May 2009
Massachusetts Institute of Technology
Position
  • PostDoc Position

Publications

Publications (404)
Article
Full-text available
Many recent studies propose wavelet-based hydrological and water resources forecasting models that have been incorrectly developed and that cannot properly be used for real-world forecasting problems. The incorrect development of these wavelet-based forecasting models occurs during wavelet decomposition (the process of extracting high- and low-freq...
Article
Full-text available
In water resources applications (e.g., streamflow, rainfall-runoff, urban water demand [UWD], etc.), ensemble member selection and ensemble member weighting are two difficult yet important tasks in the development of ensemble forecasting systems. We propose and test a stochastic data-driven ensemble forecasting framework that uses archived determin...
Article
Full-text available
Using over a century of ground-based observations over the contiguous United States, we show that the frequency of compound dry and hot extremes has increased substantially in the past decades, with an alarming increase in very rare dry-hot extremes. Our results indicate that the area affected by concurrent extremes has also increased significantly...
Article
CONTEXT The development of methods for improving the assessment of resilience of socio-ecological systems has become increasingly important as the severity and variability of global climate patterns continue to compound and intensify. OBJECTIVE The present study was conducted with the aim of using a dynamically-coupled bio-physical and socioeconom...
Article
Full-text available
Effective water management requires a large-scale understanding of agricultural irrigation systems and how they shift in response to various stressors. Here, we leveraged advances in Machine Learning and availability of very high resolution remote sensing imagery to help resolve this long-standing issue. To this end, we developed a deep learning mo...
Article
Besides contributing to a broader understanding of ecosystem-hydrology interactions, ecosystem water use efficiency (WUE) is a key factor operating in an ecosystem’s balance between carbon assimilation and water transpiration. However, the effects of climate, elevated atmospheric CO2 concentration and land surface changes on variation in regional W...
Article
In response to the circumpolar region’s high levels of food insecurity, many Canadian communities have identified the development of local agriculture as a means to resolve the issue. Agricultural development is varied across the circumpolar region, an area which includes Yukon, the Northwest Territories, Nunavut, Nunavik (Quebec), and Nunatsiavut...
Article
Full-text available
As an individual plant species can develop its own leaf stoichiometry to adapt to environmental changes, this stoichiometry can provide critical information about a plant species’ growth and its potential management in the ecosystem housing it. However, leaf stoichiometry is largely undocumented in regions with large environmental changes arising f...
Article
Full-text available
Adaptation is key to minimizing heatwaves’ societal burden; however, our understanding of adaptation capacity across the socioeconomic spectrum is incomplete. We demonstrate that observed heatwave trends in the past four decades were most pronounced in the lowest-quartile income region of the world resulting in >40% higher exposure from 2010-2019 c...
Article
The assessment of climate change impacts requires downscaled climate projections and context-specific socioeconomic scenarios. The development of practical climate change adaptation for environmental sustainability at regional and local scales, is predicated on a strong understanding of future socio-economic dynamics under a range of potential clim...
Article
Full-text available
Leaf ecological stoichiometry not only reflects the plasticity and adaptability, but also the growth of plants within environments where temperature, precipitation, and soil properties vary across an elevation gradient. Ligularia virgaurea (Maxim.) Mattf. ex Rehder & Kobuski — an invasive poisonous plant — is common in the northeast portion of Chin...
Article
Actual evapotranspiration (ETa) has been significantly increased under recent climate and vegetation changes. Discriminating the primary driver of ETa variation would improve our knowledge of the interaction between regional hydrological and ecological systems. In this study, a reliable ETa dataset was obtained by validating three ETa products from...
Data
Herein, 150 distinct video files have been presented which related to dam-break multiphase flood shock wave experiments, performed in the Shiraz University, Civil and Environmental Engineering Department’s Hydraulic Lab (Shiraz, Iran). A clear water reservoir (without sediment) as well as 7 different sediment depths (0.03, 0.075, 0.15, 0.175, 0.2,...
Data
In this file, all sediment depth data associated with 21 different dam break scenarios were extracted from high-quality experimental video images. The dataset is collected, classified and presented in a total of 21 distinct tables in 3 categories based on downstream initial conditions: 1- Downstream bed with a semi-circular obstacle with radius of...
Data
In this file, all water level data associated with 24 different dam break scenarios were extracted from high-quality experimental video images. The dataset is collected, classified and presented in a total of 24 distinct tables in 3 categories based on downstream initial conditions: 1- Downstream bed with a semi-circular obstacle with radius of 4.5...
Article
Full-text available
Dam-break wave-propagation in a debris flood event is strongly influenced by accumulated reservoir-bound sediment and downstream obstacles. For instance, the Brumadinho dam disaster in Brazil in 2019 released 12 × 106 m3 of mud and iron tailings and inflicted 270 casualties. The present work was motivated by the apparent lack of experimental or num...
Article
Full-text available
Given the hazardous effects of sudden dam reservoir contamination — as might occur upon the intrusion of the fuel additive methyl tert-butyl ether (MTBE) — the contaminant’s effect on the quality of allocated waters requires careful study. Employed to determine optimal reservoir operational rules in the case of sudden MTBE pollution, a risk-based s...
Article
CONTEXT The circumpolar region of Canada experiences high rates of food insecurity due to the harsh climate and terrain and limited infrastructural capacity restricting local production and environmental changes impacting traditional food systems. As such, the region heavily relies on imported commodities which are expensive and of low nutritional...
Article
Grazing management can alter soil properties and microbial communities that are critical to maintaining grasslands' long-term productivity and function, but information relevant to such influences operating on the Qinghai-Tibetan Plateau (QTP) of China is scarce. The present study was undertaken to examine the impact of different grazing management...
Article
Full-text available
Sediment transport is a major contributor to a non-point source of pollution impacted by various factors that are modulated by climatic changes and anthropogenic influences. Quantifying and disentangling the contribution of these factors to sediment yield at large scales and across different flow regimes has not been fully explored. Here we present...
Article
Full-text available
As determining the probability of the exceedance of maximum precipitation over a specified duration is critical to hydrotechnical design, particularly in the context of climate change, a model was developed to perform a frequency analysis of maximum precipitation of a specified duration. The PMAXΤP model (Precipitation MAXimum Time (duration) Proba...
Article
Efforts to enhance food, fiber, and forage yields and achieve global food security have included the conversion of natural grasslands to cultivated grasslands. The quantitative effects of a global shift in grassland management on soil properties and microbial communities critical to ecosystem function have remained largely unexplored, particularly...
Article
Full-text available
Comprehensive river water quality monitoring and assessment will help to identify the emerging water quality problems as well as developing sustainable water management strategies to maintain and protect healthy river and ecosystem. However, the cost of these efforts is a major concern due to a large monitoring network in rivers and watersheds. Thi...
Article
Full-text available
This study introduces the maximal overlap discrete wavelet packet transform (MODWPT) for forecasting hydrological processes that change over multiple timescales (e.g., rainfall, streamflow). The advantage of MODWPT over other recent wavelet decomposition methods (à trous algorithm (AT) and the maximal overlap discrete wavelet transform (MODWT)) is...
Article
Developing accurate groundwater vulnerability maps is essential for the sustainable management of groundwater resources. In this research, resampling methods [e.g., Bootstrap Aggregating (BA) and Disjoint Aggregating (DA)] are combined with machine learning (ML) models, namely eXtreme Gradient Boosting (XGBoost), Light Gradient Boosting Machine (LG...
Article
Full-text available
Increases in burned area and large fire occurrence are widely documented over the western United States over the past half century. Here, we focus on the elevational distribution of forest fires in mountainous ecoregions of the western United States and show the largest increase rates in burned area above 2,500 m during 1984 to 2017. Furthermore, w...
Article
Rwanda, known as “the country of a thousand hills,” is subject to severe soil erosion challenges brought on by erosion-prone landforms and long-term anthropogenic forces that alter the physical landscape, cause substantial soil erosion, and adversely affect surface waters. Reverse slope bench terraces, called “radical terraces” in Rwanda, create re...
Article
Leaf stoichiometry, a key indicator of plant response to environmental changes, can be significantly altered by changes to the environment caused by natural or artificial factors. Slope aspect, an important topographic factor, influences a plant’s exposure to solar radiation, precipitation, and other environmental factors, thereby affecting leaf st...
Article
Unsustainable human actions and climate change have threatened global grasslands and lead to biodiversity loss and compromised ecosystem functions. Widely considered to be an effective approach to restore degraded grasslands, grazing exclosure (GE) likely affects biomass allocation and root morphology in the long-term, although their impacts are ye...
Article
In classic resilience thinking, there is an implicit focus on controlling functional variation to maintain system stability. Modern approaches to resilience thinking deal with complex, adaptive system dynamics and true uncertainty; these contemporary frameworks involve the process of learning to live with change and make use of the consequences of...
Conference Paper
Climate change has caused many environmental problems, as well as water and food insecurity, and health and social impacts in many parts of the world, and especially in the world’s vulnerable regions such as developing countries. Studies have demonstrated the impacts of socio-economic and climate changes and how they result in water and environment...
Preprint
Full-text available
Background: Plant species have developed their individual leaf stoichiometries to adapt to changes in the environment. Changes in plant leaf stoichiometry with elevation are largely undocumented, but could provide information critical to protecting or enhancing a species’ growth and development and manage the ecosystem housing it. We investigate th...
Article
Developing accurate lake water level (WL) forecasting models is important for flood control, shoreline maintenance and sustainable water resources planning and management. In this study, improved accuracy of forecasts (up to three months) of Lake Michigan and Lake Ontario WLs was achieved by coupling Boundary Corrected (BC) Maximal Overlap Discrete...
Article
Implementation of the Grain for Green program (GGP) resulted in great changes in land use and cover in northwest China, and presumably in the region's carbon. However, accurate assessment of the effects of the GGP on carbon storage remains a challenge. The Integrated Valuation of Ecosystem Services and Tradeoffs (InVEST) model can map and evaluate...
Poster
Full-text available
Effective and sustainable decision making in water resources management often requires modelling techniques that are able to account for the inherent complexity of coupled human-water systems. One approach that is used to model coupled human-water systems is to couple physically based models and system dynamics models. However, in many cases, this...
Conference Paper
Full-text available
Effective and sustainable decision making in water resources management often requires modelling techniques that are able to account for the inherent complexity of coupled human-water systems. One approach that is used to model coupled human-water systems is to couple physically based models and system dynamics models. However, in many cases, this...
Article
Full-text available
An emergency multi-objective framework was developed to achieve an optimal reservoir operating strategy under sudden pollution injection. To assess a wide range of responses to potential future pollution injection events, a large number of reservoir release and pollution injection scenarios (1000 release modes and three injection location scenarios...
Article
Full-text available
Unconventional sources of data that enhance our understanding of internal interactions between socio-economic and hydrological processes are central to modeling human–water systems. Participatory modeling (PM) departs from conventional modeling tools by informing and conceptualizing human–water systems through stakeholder engagement. However, the i...
Article
Full-text available
Despite perceptions of high water availability, adequate access to sufficient water resources remains a major challenge in Alaska. This paper uses a participatory modeling approach to investigate household water vulnerability in remote Alaska and to examine factors that affect water availability and water access. Specifically, the work asks: how do...
Article
As in the rest of the world, China assumed afforestation was an effective means of helping to mitigate the negative impacts of global warming, soil erosion and soil degradation, and returned large areas of farmland to woodland. At the same time, due to industrialization and urbanization, large tracts of arable land were abandoned, especially on the...
Preprint
Full-text available
உலகத்தில் பிரபலமான நிரல்மொழிகள் பெரும்பான்மையாக ஆங்கில மூலமாக எழுதப்பட்டுள்ளன. வேறு இயற்கை மொழிகளில் நிரலாக்கம் செய்யும் முயற்சிகள் பல்வேறு இருந்தாலும், தொழில்முறை சூழல்நிலையில் அவற்றின் பயன்பாடு குறைவு. இந்த கட்டுரையில் லஸ்ஸி (https://லஸ்ஸி.இந்தியா) என்று சட்டகம் மற்றும் மென்பொருள் கருவி முன்வைக்கப்படும். லஸ்ஸியால் எந்த நிரல்மொழி வேண்டுமானாலும், உ...
Article
Slope aspect and elevation gradient, important topographic factors, affect plant growth and leaf carbon:nitrogen:phosphorus (C:N:P) stoichiometry by regulating local water and energy balances. The response of leaf stoichiometry to topographic factors reflects plant adaptation strategies to different habitats. Common in various grasslands across Chi...
Article
Terrestrial evapotranspiration (ETa) reflects the complex interactions of climate, vegetation, soil and terrain and is a critical component inwater and energy cycles. However, the manner inwhich climate change and vegetation greening influence ETa remains poorly understood, especially in alpine regions. Drawing on the Global Land Evaporation Amster...
Data
Zip file of all code and data needed to reproduce all results and figures presented in this article. Code runs in Python.
Article
Full-text available
Correct modelling of relationships between predators and prey is crucial to ecological and population dynamics models. However, and despite a long-standing competition between ratio and prey-dependent models (and a few alternative intermediate forms) in the literature, most equations currently used to represent such relationships do not meet theore...
Article
Accurate prediction of reference evapotranspiration (ET0) is essential for efficient planning and management of limited water resources through proper irrigation scheduling. The FAO-56 Penman-Monteith approach to ET0 estimation was adopted to compute ET0 from data obtained in a subtropical climatic region in Bangladesh. Quantified ET0 values along...
Preprint
Full-text available
New and unconventional sources of data that enhance our understanding of internal interactions between socio-economic and hydrological processes are central to sociohydrological modelling. Participatory modelling (PM) departs from conventional modelling tools by informing and conceptualizing sociohydrological models through stakeholder engagement....
Article
Full-text available
A practical approach to continuously monitor and provide real-time solar energy prediction can help support reliable renewable energy supply and relevant energy security systems. In this study on the Korean Peninsula, contemporaneous solar radiation images obtained from the Communication, Ocean and Meteorological Satellite (COMS) Meteorological Ima...
Chapter
Nutrient loading from agriculture is a critical threat to aquatic ecosystems, affecting their ability to provide safe drinking water, and limiting the provision of ecosystem services such as water-based recreation. Efforts to manage the problem typically focus on encouraging, incentivising, or requiring use of best management practices to reduce nu...
Article
Full-text available
Estimating the uniaxial compressive strength (UCS) of travertine rocks with an indirect modeling approach and machine learning algorithms is useful as models can reduce the cost and time required to obtain accurate measurements of UCS, which is important for the prediction of rock failure. This approach can also address the limitations encountered...
Article
One of the major components of the hydrological cycle, reference evapotranspiration (ET0) represents the maximum amount of water transferred from the land surface to the atmosphere. Vital to quantifying crop water needs, accurate predictions of ET0 are particularly critical in arid regions, where they allow for informed water resources management a...
Article
Full-text available
Large-scale flood risk assessment is essential in supporting national and global policies, emergency operations and land-use management. The present study proposes a cost-efficient method for the large-scale mapping of direct economic flood damage in data-scarce environments. The proposed framework consists of three main stages: (i) deriving a wate...
Article
Full-text available
Data assimilation allows for updating state variables in a model to represent the initial condition of a catchment more accurately than the initial OpenLoop simulation. In hydrology, data assimilation is often a prerequisite for forecasting. According to Hornik (1991, https://doi.org/10.1016/0893-6080(91)90009-T) artificial neural networks can lear...
Presentation
Full-text available
Participatory system dynamics modelling is a useful tool for sociohydrological systems management due to its inclusion of diverse viewpoints and incorporation of feedback dynamics and delays between the human and environmental spheres. We here present a case study from the Lake Atitlán watershed in Guatemala, which is unique due to its endorheic na...
Presentation
Full-text available
Water and environmental resources exist in complex and deeply uncertain systems of social-economic and environmental components. As such, natural resource systems are impacted simultaneously by the diverse effects of many interacting human-environmental components. While conventional environmental planning commonly stresses estimation and predictio...
Data
All data and Python code required to run the analyses and generate all figures presented in the article. Note that these will require a local installation of Tiko'n itself (not included), which is distributed through GitHub (https://github.com/julienmalard/Tikon) and PyPI (tikon).
Article
Full-text available
To simulate the dynamics of two-dimensional dam-break flow on a dry horizontal bed, we use a smoothed particle hydrodynamics model implementing two advanced boundary treatment techniques: (i) a semi-analytical approach, based on the computation of volume integrals within the truncated portions of the kernel supports at boundaries and (ii) an extens...
Book
Full-text available
The sustainable governance of water resources relies on processes of multi-stakeholder collaborations and interactions that facilitate knowledge co-creation and social learning. Governance systems are often fragmented, forming a barrier to adequately address the myriad of challenges affecting water resources, including climate change, increased urb...
Article
Full-text available
Agroecological food web modelling, which models trophic relationships between the species present in agricultural fields, has significant potential uses in the fields of theoretical and practical agroecology, specifically regarding the planning and evaluation of integrated pest management and biocontrol strategies. However, the practical use of suc...
Article
Full-text available
Recently, a stochastic data-driven framework was introduced for forecasting uncertain multiscale hydrological and water resources processes (e.g., streamflow, urban water demand (UWD)) that uses wavelet decomposition of input data to address multiscale change and stochastics to account for input variable selection, parameter, and model output uncer...
Presentation
Full-text available
Considering interactions between the water system and society is a fundamental component of exploring the uncertainty about the future. In predicting changes, sustainable policies not only should fulfill economic, environmental, and social objectives, but also should be robust to uncertainty and able to be adapted over time to (unforeseen) future c...
Article
Wastewater reuse in agriculture can be a viable option to solve future freshwater shortages but may need an additional treatment process (Stage-II) to become a safe option. As wastewater reuse interacts with many facets of coupled human and water systems, the introduction of Stage-II treatment systems in wastewater reuse in agriculture must be unde...