Mohammad Valipour's research while affiliated with Metropolitan State University of Denver and other places
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Publications (126)
Agricultural productivity is significantly influenced by the restricted availability of irrigation water and poor soil health. To assess the influence of different potential soil moisture deficit (PSMD) regimes and integrated nutrient levels on the growth, yield, and quality of wheat, an experiment was carried out at the research area of the Univer...
One of the key challenges in using fossil fuels is the environmental impacts of these energy sources, and to reduce these destructive effects, the use of renewable energy sources (biofuels) is necessary. One of the important biofuels is biodiesel, which can be produced from cottonseed. To properly manage the chain dealing with biodiesel production...
Drought is a key abiotic stress that confines agriculture development worldwide. Silicon(Si) is commonly considered a valuable element for resistance against drought and for sustainable agriculture. To investigate morpho-physiological and biochemical characteristics of Gerbera jame-sonii plants, a pot experiment was conducted under greenhouse condi...
Increasing chemical inputs to improve food security has resulted in worrying environmental consequences. Recently, significant efforts have been made to reduce the environmental impacts of the food supply chain. The current study examined the effects of different levels of urea fertilizer on the technical, economic, and environmental aspects of whe...
Phosphorous (P) is one of the primary nutrients to cause the eutrophication of water bodies. This process leads to algal blooms and anoxic conditions which have consequences in the form of mortality of aquatic animals, and impaired water quality. Aquatic macrophytes could be the promising candidates that can filter P from water contaminated with hi...
Excessive nitrogenous fertilization in years resulted in larger nitrogen and profit losses. This problem can be reduced by using need-based and time-specific nitrogen management. Therefore , a field experiment was carried out during the Kharif season of 2019 and 2020 in order to evaluate the impact of precision nitrogen management on the phenology,...
Strawberry is a delicate fruit with a short shelf life after harvest. High metabolic activities
and fungal decay deteriorate its quality. In an attempt to extend its shelf life and maintain its quality while retaining its antioxidant potential, the harvested fruits of strawberry cv. Chandler were dipped in 30% eucalyptus leaf extract (ELE). Weight...
Particulate matter (PM) is among the deadliest air pollutants due to its negative health impacts and environmental harm. This study reports on monthly and seasonal concentrations of PM10, PM2.5, and PM1, along with their ratios. Twelve-day samples were collected once a month in Mingora city (Swat, Pakistan) from January to December 2019 using a low...
Precipitation and runoff variability over West and Central Africa is the major challenge of water resource management, which drives a range of socioeconomic issues. Storm water runoff poses serious environmental problems and public health issues in these regions. We use descriptive statistics in order to analyze monthly, seasonal, and annual runoff...
This study aims to access the selected satellite remote sensing, climate reanalysis, and land surface models to estimate monthly land surface air temperature (LSAT), solar radiation (SR), and precipitation (P) at the global scale. To this end, we apply six datasets including Modern-Era Retrospective Analysis for Research and Applications-version 2...
In the current study, efforts were made to standardize fertigation for providing the recommended doses of fertilizers (RDF) i.e., 300, 260, and 200 g/plant/year for N, P, and K, respectively, together with optimization of irrigation scheduling so that guava plants could avoid the frequent episodes of nutritional stress, water scarcity, or overwater...
The water crisis is still a major issue in Qatar. Seawater desalination has been strongly implemented in the Persian Gulf region. However, it is costly and there is corrosion in piping materials and other equipment. Hence, there is a vital need to detect groundwater resources in Qatar. Various factors affect the variability of groundwater in Qatar...
Nowadays, the reuse of built agricultural/industrial heritage has been a common practice worldwide. These structures represent excellent symbols of the great agricultural/industrial past. These agricultural/hydro-technologies also serve as monuments of socio-cultural identities, especially in rural areas and on small farms. One example of a success...
Evapotranspiration (ET) plays an important role in agricultural water management and crop modeling. The highest mean annual ET values (889–1016 mm) in the United States (US) occur in Florida where there is a combination of ample rainfall (R) and warm air temperatures. Therefore, it is crucial to know the synergistic influence of meteorological vari...
![Figure 18. Dockyards at (a) Lothal and (b) Courtesy (adapted from [33]).](profile/Saifullah-Khan-2/publication/355173949/figure/fig5/AS:1077706313740289@1633956616037/Dockyards-at-a-Lothal-and-b-Courtesy-adapted-from-33_Q320.jpg)
Weather and climate have been participating in an imperative function in both the expansion
and crumple of mankind civilizations diagonally across the globe ever since the prehistoric
eras. The Neolithic Mehrgarh (ca. 7000–2500 BC) and Balochistan and Indus Valley civilizations (ca.
2500–1500 BC), in Sindh Province in Pakistan, have been the spotli...
![Figure 1. Water ceramic filter (adapted from [21]).](publication/353923594/figure/fig1/AS:1057485158875139@1629135517155/Water-ceramic-filter-adapted-from-21_Q320.jpg)
Water is life, and without water, there would be no civilizations and a vacant Earth.
Water is considered an abundant natural resource on the earth. Water covers 3/4 of the surface. However, 97% of the available water on the earth is salty oceanic water, and only a tiny fraction (3%) is freshwater. This small portion of the available water supplies...
This paper belongs to our Special Issue “Application of Climate Data in Hydrologic Models” [...]
![Figure 1. The Hellebore spp plant [14].](profile/Saifullah-Khan-2/publication/350794137/figure/fig1/AS:1011381281247234@1618143496941/The-Hellebore-spp-plant-14_Q320.jpg)
Since prehistoric times, water conflicts have occurred as a result of a wide range of tensions and/or violence, which have rarely taken the form of traditional warfare waged over water resources alone. Instead, water has historically been a (re)source of tension and a factor in conflicts that start for other reasons. In some cases, water was used d...
In Pakistan, many subsurface (SS) drainage projects were launched by the Salinity Control
and Reclamation Project (SCARP) to deal with twin problems (waterlogging and salinity). In some
cases, sump pumps were installed for the disposal of SS effluent into surface drainage channels.
Presently, sump pumps have become dysfunctional due to social and f...
![Figure 11. Modern sound bath [56]: (a) both bathers and music devices...](profile/Tapio-Katko-2/publication/347839677/figure/fig3/AS:972265739014144@1608817624477/Modern-sound-bath-56-a-both-bathers-and-music-devices-are-floating-in-water-and-b_Q320.jpg)
![Figure 12. The funnel wall in Dresden, Germany [58].](profile/Tapio-Katko-2/publication/347839677/figure/fig4/AS:972265739005953@1608817624522/The-funnel-wall-in-Dresden-Germany-58_Q320.jpg)
![Figure 13. The submerged turntable designed by Evan Holm [59].](profile/Tapio-Katko-2/publication/347839677/figure/fig5/AS:972265738993665@1608817624628/The-submerged-turntable-designed-by-Evan-Holm-59_Q320.jpg)
Water-driven music technology has been one of the primary sources of human leisure from prehistoric times up until the present. Water powered, along with air pressure organs, have been used throughout history. One of them was an organ of fountains located inside a formal garden. Throughout ancient mythology, several different gods have been linked...
Abstract Rapid industrialization and urbanization have resulted in elevated global temperature over the years consequently disturbing the balance of agro-ecological systems worldwide. Therefore, new eco-friendly agricultural practices for sustainable food production are needed. Mulching could potentially serve the purpose by reducing soil evaporati...
![Figure 2. The first Korean rain gauge designed by Jang Yeong-sil [9].](profile/Sayed-Bateni/publication/346670431/figure/fig2/AS:970263504113664@1608340254888/The-first-Korean-rain-gauge-designed-by-Jang-Yeong-sil-9_Q320.jpg)
![Figure 3. (a) The DaVinci's hygrometer [35, 36], and (b) the Francesco...](profile/Sayed-Bateni/publication/346670431/figure/fig3/AS:970263508299776@1608340255071/a-The-DaVincis-hygrometer-35-36-and-b-the-Francesco-Follis-hygrometer-named-as_Q320.jpg)
Hydrometeorology aims at measuring and understanding the physics, chemistry , energy and water fluxes of the atmosphere, and their coupling with the earth surface environmental parameters. Accurate hydrometeorological records and observations with different timelines are crucial to assess climate evolution and weather forecast. Historical records s...
Understanding the trends of reference evapotranspiration (ETo) and its influential meteorological variables due to climate change is required for studying the hydrological cycle, vegetation restoration, and regional agricultural production. Although several studies have evaluated these trends, they suffer from a number of drawbacks: (1) they used d...
An underground aqueduct is usually a canal built in the subsurface to transfer water from a starting point to a distant location. Systems of underground aqueducts have been applied by ancient civilizations to manage different aspects of water supply. This research reviews underground aqueducts from the prehistoric period to modern times to assess t...
![Figure 1. The location map of Dez Dam and its basin [9].](publication/342045391/figure/fig1/AS:900500648116228@1591707493591/The-location-map-of-Dez-Dam-and-its-basin-9_Q320.jpg)
In multi-purpose reservoirs, to achieve optimal operation, sophisticated models are required to forecast reservoir inflow in both short- and long-horizon times with an acceptable accuracy, particularly for peak flows. In this study, an auto-regressive hybrid model is proposed for long-horizon forecasting of daily reservoir inflow. The model is exam...
This study aims to present a spatial and temporal analysis of the reference evapotranspiration (ETo) based on the climate change alarms and collected lysimeter data. To this end, 50 years (1961–2010) meteorological data of 18 regions in Iran with various climates (arid, semiarid, Mediterranean and very humid) as well as recorded lysimeter measureme...
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,...
In the current research, gene expression programming (GEP) was applied to model reference evapotranspiration (ETo) in 18 regions of Iran with limited meteorological data. Initially, a genetic algorithm (GA) was employed to detect the most important variables for estimating ETo among mean temperature (Tmean), maximum temperature (Tmax), minimum temp...
In this study, to reflect the effect of large-scale climate signals on runoff, these indices are accompanied with rainfall (the most effective local factor in runoff) as the inputs of the hybrid model. Where one-year in advance forecasting of reservoir inflows can provide data to have an optimal reservoir operation, reports show we still need more...
The provision of water has been a major enterprise in human history. Groundwater was one of the first sources since the prehistoric times to cover human needs. Initially, the exploitation of groundwater has been made by shallow wells and later by boreholes. A water well is constructed through excavation in the ground by digging, driving, boring, or...
The current article seeks to explore the function of elevated CO2 emission on the variations of reference evapotranspiration (ET0) for optimising cropping pattern in 18 Iranian regions. Accordingly, meteorological data and agricultural information were collected since 1961 to 2010 and 2002 to 2013, respectively. A trend-free pre-whitening (TFPW) ap...
There are many factors that can change reference evapotranspiration (ET0). In this study, after comparison of six reference evapotranspiration equations, variations of each model have been investigated to detect main factor(s) of temporal changes of ET0 from 1981 to 2010 in Goragn, Iran. Although Priestley-Taylor (PT) estimates ET0 is more identica...
In this study, using 50 years of rainfall data and ARIMA model, critical areas of Iran were determined. For this purpose, annual rainfall data of 112 different synoptic stations in Iran were gathered. To summarize, it could be concluded that: ARIMA model was an appropriate tool to forecast annual rainfall. According to obtained results from relativ...
Regular patterns, which are found in both natural and man-modified environments, are strongly interwoven with free-surface flows. Examples are ridge and slough landscapes, cultivated terrains with ditches and furrows, and urban areas, with many of them characterized by a marked anisotropy. Simulation of overland and shallow inundation flows in thes...
This study aims to assess global experience on agricultural water management under different scenarios. The results showed that trend of permanent crops to cultivated area, human development index (HDI), irrigation water requirement, and percent of total cultivated area drained is increasing and trend of rural population to total population, total...
There are a lot of investigations to select the best model to estimate potential evapotranspiration (ETo) in a certain climate or region. In this paper, the types of climate include arid, semiarid, Mediterranean, and very humid. A spatial and temporal study of the ETo is the aim of this paper, according to the peak and low events (extreme events) a...
In this study, six reference evapotranspiration (ET0) equations were compared and variations of each model have been investigated to detect the main factor(s) of temporal changes of ET0 from 1981 to 2010 in Babolsar, Iran. The results indicate that Priestley-Taylor (PT) estimates ET0 better than other equations during 30-year period. However, perfo...
This study compares the impacts of different
factors on agricultural water management in the Americas
in the last 50 years. The number of 18 indexes (as the main
and sub-main indexes) was selected to assess agricul-
tural water management based on their importance and
other indexes were not studied due to lack of adequate
data. Changes in the main...
The goal of this paper is estimation of area equipped for irrigation in Americas in 2035 and 2060 using study of agricultural water management during 1962 to 2011. For this purpose, all necessary information was gathered from Food and Agriculture Organization of the United Nations (FAO) and was checked using The World Bank Group (WBG). Among all pr...
In this paper, irrigated agriculture has been estimated in Asia Pacific using three different scenarios by 2035 and 2060. The number of 10 indices (as the main indices) was selected to assess agricultural water management based on their importance and other indices were not studied due to lack of adequate data. These indices are permanent crops per...
This study aims to estimate the potential evapotranspiration as well as to extract categorized maps of climate parameters that are applicable for civil and architectural design . The results showed that the Albrecht model estimates the potential evapotranspiration better than other models in the most provinces of Iran. The best values of R² were 0....
In this study, critical areas of Iran were determined using 50-year rainfall data and ARIMA model. For this purpose, annual rainfall data of 112 different synoptic stations in Iran were gathered. To summarize, it could be concluded that: ARIMA model was an appropriate tool to forecast annual rainfall. According to obtained results from relative err...
This study aims to assess global experience on agricultural water management under different scenarios. The results showed that trend of permanent crops to cultivated area, HDI, irrigation water requirement, and percent of total cultivated area drained is increasing and trend of rural population to total population, total economically active popula...
This paper reports the study of the effect of the length of the recorded data used for monthly rainfall forecasting. Monthly rainfall data for three periods of 5, 10, and 49 years were collected from Kermanshah, Mashhad, Ahvaz, and Babolsar stations and used for calibration time series models. Then, the accuracy of the forecasting models was invest...
The potential evapotranspiration was estimated using different mass transfer-based models and was compared with the Food and Agriculture Organization Penman–Monteith model. The results showed that the Albrecht model estimates the potential evapotranspiration better than the other models in the most provinces of Iran (23 provinces). The best values...
The need for irrigated agriculture is growing day by day and the largest water withdrawals from renewable water resources are for irrigation. In addition, the available water resources are decreasing and we need to use non-conventional water resources for irrigation due to looming water crisis (Raschid-Sally and Jayakody, Drivers and characteristic...
The proper evaluation of evapotranspiration is essential in food security investigation, farm management, pollution detection, irrigation scheduling, nutrient flows, carbon balance as well as hydrologic modeling, especially in arid environments. To achieve sustainable development and to ensure water supply, especially in arid environments, irrigati...
In this study, annual precipitation was forecast by coding in MATLAB software environment based on a non-linear autoregressive neural network (NARNN), non-linear input–output (NIO) and NARNN with exogenous input (NARNNX). Historical precipitation data (27 precipitation gauge stations located in Gilan, Iran) were used as two 21 year sets from 1968 t...
![Figure 3. The Tympanon (adapted from [28]).](profile/Nicolaos-Theodossiou-2/publication/281842543/figure/fig1/AS:614081367121960@1523419815927/The-Tympanon-adapted-from-28_Q320.jpg)
![Figure 8. A sketch of Jījí [40].](profile/Nicolaos-Theodossiou-2/publication/281842543/figure/fig5/AS:614081371328512@1523419816085/A-sketch-of-Jiji-40_Q320.jpg)
The evolution of the major achievements in water lifting devices with emphasis on the major technologies over the centuries is presented and discussed. Valuable insights into ancient water lifting technologies with their apparent characteristics of durability, adaptability, and sustainability are provided. A comparison of the relevant technological...
The aim of this paper was to study the land use index (equipped area for irrigation per cultivated area, AI) and irrigation management in Asia and Oceania during past decades. For this purpose, all necessary information was collected from Food and Agriculture Organization of the United Nations (FAO). Among all presented data in the FAO database, 10...
The present study aims to calibrate radiation-based methods to determine the best method under different weather conditions. For this purpose, weather data was collected from different synoptic stations in all of provinces of Iran. The potential evapotranspiration was estimated using common radiation-based methods and a sensitive analysis was done...
Evapotranspiration has a major role in agricultural and forest meteorology researches, hydrological cycle, irrigation scheduling, and water resources management. There are many methods to estimate the potential evapotranspiration including mass transfer, radiation, temperature, and pan evaporation-based methods. The present study aims to compare ra...
The present study aims to compare mass transfer-based models to determine the best model under different weather conditions. The results showed that the Penman model estimates reference crop evapotranspiration better than other models in most provinces of Iran (15 provinces). However, the values of R
2 were less than 0.90 for 24 provinces of Iran....
In this study, the ability of the seasonal autoregressive integrated moving average (SARIMA) and autoregressive integrated moving average (ARIMA) models was investigated for long-term runoff forecasting in the United States. In the first stage, the amount of runoff is forecasted for 2011 in each US state using the data from 1901 to 2010 (mean of al...
This paper reviews the literature and results of more than one hundred published articles in scientific journals with respect to simulation of surface irrigation. The results showed that 53.4% of the simulations belong to furrow systems. It is 35.9% for border systems and 10.7% for basin irrigation. However, satisfactory simulations were 70.3%, 63....
Evapotranspiration (ET) is one of the most effective variables to determine water balance in a region. Accurate estimation of ET flux is vital for agricultural scheduling and water resource management. One of the ways for estimation of ET is applying energy budget methods in which parameters are determined by using remote-sensing technique. The sur...
The present paper aims to estimate the areas equipped for irrigation and desirability of agricultural water management in the world. For this purpose, all necessary information was gathered from Food and Agriculture Organization and checked using World Bank Group. The selected 18 indices were analysed for all 26 regions in the area studied, and the...
The most important weather variations are temperature (T), relative humidity (RH), and wind speed (u) for evapotranspiration models in limited data conditions. This study aims to compare three T-based formula, T/RH-based formula, and T/RH/u-based formula to detect the performance of them under limited data and different weather conditions. For this...
The aim of this paper is estimation of area equipped for irrigation in Europe in 2035 and 2060 using study of agricultural water management from 1962 to 2011. For this purpose, all necessary information was gathered from Food and Agriculture Organization of the United Nations (FAO) and checked using The World Bank Group (WBG). Among all presented d...
Evapotranspiration has a significant role in agricultural and forest meteorology research, the hydrological cycle, irrigation scheduling and water resources management. Several models are available to estimate evapotranspiration, including mass transfer-based, radiation-based, temperature-based and pan evaporation-based models. This study aims to a...
This study aims to assess radiation-based models versus the FAO Penman-Monteith (FPM) model to determine the best model using linear regression under different weather conditions. The reference evapotranspiration was estimated using 22 radiation-based methods and was compared with the FPM. The results showed that the Stephens method estimates the r...
Several methods are available to estimate the reference evapotranspiration including mass transfer-based, radiation-based, temperature-based, and pan evaporation-based methods. The most important weather parameters are solar radiation, temperature, relative humidity, and wind speed for evapotranspiration models. This study aims to compare five form...
This study aims to compare mass transfer-based models to detect the best model under different weather conditions. For this purpose, weather data were gathered from 181 synoptic stations in 31 provinces of Iran. The reference crop evapotranspiration was estimated using 11 mass transfer-based models and was compared with the FAO Penman–Monteith mode...
This study aims to compare two form of Valiantzas’ evapotranspiration methods (one of the newest models) to detect the best method under different weather conditions. For this purpose, weather data were gathered from 181 synoptic stations in 31 provinces of Iran. The reference evapotranspiration was compared with the Food and Agriculture Organizati...
The study is aimed at estimation of area equipped for irrigation in Americas in 2035 and 2060 using study of agricultural water management during 1962 to 2011. For this purpose, all necessary information was gathered from FAO of United Nations and their values were checked using World Bank Group (WBG) data base. Among all presented data in FAO data...
Evapotranspiration has a highlighted role in agricultural and forest meteorology
researches, hydrological cycle, irrigation scheduling, and water resources management. There
are many models to estimate the evapotranspiration including mass transfer, radiation, temperature,
and pan evaporation-based models. This study aims to compare temperature-bas...
The aim of this paper is the estimation of area equipped for irrigation in the world in 2035 and 2060 using studies of agricultural water management during 1962 to 2011. Among all presented data in the Food and Agriculture Organization of the United Nations database, 10 indexes were selected (due to more importance and more availability for all the...
This paper examines land use policy and agri-cultural water management in Africa from 1962 to 2011. For this purpose, data were gathered from Food and Agriculture Organization of the United Nations (FAO) and the World Bank Group. Using the FAO database, ten indices were selected: permanent crops to cultivated area (%), rural population to total pop...
Nowadays, various areas in the world have faced waterlogging and salinity problems, which are intensified by a myriad of factors including use of wastewaters for irrigation, unsuitable cropping pattern, torrential rains and floods, lack of sufficient drainage, uncontrolled drainage, lack of adequate knowledge, wrong management decisions, very poor...
The evapotranspiration was estimated using 11 temperature-based models and was compared with the FAO Penman-Monteith model. The results showed that the modified Hargreaves-Samani models estimate the evapotranspiration better than the other models in the most provinces of Iran. However, the values of R2 were less than 0.98 for 15 provinces of Iran....
In many cases, industry has main role in environmental crises especially in civil and energy projects. For example, more than 60 percent of annual greenhouse gas emissions are related to the industrial activities in the world (transportation fuels and distribution 25.3%, power stations 21.3%, industrial process 16.8%). Studding of air, water, and s...