Rohitashw Kumar

• PhD
• Associate Dean and Professor at Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir

Surface water (SW) and groundwater (GW), once considered distinct entities, are now recognized as interconnected components within diverse landscapes globally. Understanding the relationship between SW and GW is critical for characterizing both the qualitative and quantitative dynamics of hydrologically dependent systems. A comprehensive understand...

Assessment of drought characteristics is valuable for water resources managers and policymakers to develop policies for drought mitigation and management. In this study, a copula-based joint deficit index (JDI) was used to analyze the drought characteristics in the Jhelum River basin in Kashmir Valley. JDI was calculated for seven meteorological st...

Solar-powered multi-sensor monitoring device integrates innovative energy-efficient features and multi-modal environmental sensing capabilities, making it a highly practical solution for real-time agricultural monitoring. The sensor system is equipped with a mono-crystalline circular solar panel module (12V/5W) mounted at the top of the sensor body...

At the beginning of human history, surface water, especially from rivers and springs, was the most frequent water supply source. Groundwater was used in arid and semi-arid regions, e.g., eastern Crete (Greece). As the population increased, periodic water shortages occurred, which led to the development of sophisticated hydraulic structures for wate...

The increasing water demand, fueled by rapid development activities, has significantly strained freshwater reservoirs. A comprehensive study was conducted in the Anantnag district of Jammu and Kashmir to address this issue, focusing on vital water springs essential for domestic and irrigation purposes. Seven key springs—Martand, Achabal, Malakhnag,...

The study was carried out at the College of Agriculture Engineering and Technology (COAE&T), SKUAST-Kashmir, Shalimar, during the Kharif-2022 season with the objective of investigating the optimal conditions for cultivating tomatoes in a hydroponic system. The research was conducted in a controlled environment using a Gothic-type polyhouse orientat...

The study was carried out at the College of Agriculture Engineering and Technology (COAE&T), SKUAST-Kashmir, Shali-mar, during the Kharif-2022 season with the objective of investigating the optimal conditions for cultivating tomatoes in a hydroponic system. The research was conducted in a controlled environment using a Gothic-type polyhouse orienta...

Infiltration plays a key role in stormwater management and irrigation scheduling. A review of previous studies reveals that the effectiveness of infiltration models varies significantly depending on soil characteristics and field conditions. Accurate predictions depend on selecting appropriate models for specific sites because of soil spatial varia...

Prediction of the peak discharges is of great significance for water resource management and flood mitigation strategies. In this study, the performance of the deseasonalised ARIMA modelling technique was tested to evaluate its suitability for streamflow prediction in flood-prone Kashmir Valley. Monthly peak flow modelling and forecast was performe...

Alpine glaciers serve as critical indicators of climate change and play a vital role in regional and global hydrological cycles. This study focuses on the Suru basin in Ladakh, India, a region with a crucial network of alpine glaciers that serve as freshwater reservoirs. Utilizing high-resolution Sentinel-2 imagery and a Digital Elevation Model (DE...

Since ancient times, dams have been built to store water, control rivers, and irrigate agricultural land to meet human needs. By the end of the 19th century, hydroelectric power stations arose and extended the purposes of dams. Today, dams can be seen as part of the renewable energy supply infrastructure. The word dam comes from French and is defin...

In recent years, the application of machine learning methods in the prediction of hydrological processes such as precipitation has been widely considered. These methods can analyze large volumes of data and detect the existing trends and patterns. Therefore, in the present study, machine learning methods, including random forests (RF), Kstar algori...

Hydrological data is crucial for accurate forecasting of precipitation which can be used for water resources planning and management. The purpose of this study is to develop a seasonal rainfall forecast model, using a hybrid wavelet-artificial neural network (WANN) model based on regression analysis to predict seasonal rainfall in Almora, Lansdown,...

The hydrological processes involve significant complex interactions that simple empirical equations or conceptual models cannot extensively represent. Physical approach models have the capability to simulate these complex hydrological phenomena elaborately and comprehensively, employing parameterization and calibration approaches. Soil and Water As...

Water erosion creates adverse impacts on agricultural production, infrastructure, and water quality across the world, especially in hilly areas. Regional-scale water erosion assessment is essential, but existing models could have been more efficient in predicting the suspended sediment load. Further, data scarcity is a common problem in predicting...

Accurate information about the wetted soil dimensions of soil under surface drip irrigation can assist the designers to determine and for selecting the ideal emitter discharge rates and spacings to reduce system equipment costs and provide improved soil water conditions for the most efficient and effective use of water. Temporal movement of wetting...

Regional climate models (RCMs) give more reliable results for a regional impact study of climate change, but they still have a significant bias that has to be corrected before they can be utilised in climate change research. In this study, two methods for local bias correction of Tmax, Tmin and precipitation data at monthly scales, namely the modif...

Regional climate models (RCMs) give more reliable results for a regional impact study of climate change, but they still have a significant bias that has to be corrected before they can be utilised in climate change research. In this study, two methods for local bias correction of Tmax, Tmin and precipitation data at monthly scales, namely the modif...

Water tunnels are one of the oldest hydro-technologies for extracting water resources and/or transmitting them through water distribution systems. In the past, human societies have used tunneling for various purposes, including development, as a measure to enable underground resource extraction and the construction of transportation networks in cha...

The design and selection of ideal emitter discharge rates can be aided by accurate information regarding the wetted soil pattern under surface drip irrigation. The current field investigation was conducted in an apple orchard in SKUAST- Kashmir, Jammu and Kashmir, a Union Territory of India, during 2017–2019. The objective of the experiment was to...

The design and selection of ideal emitter discharge rates can be aided by accurate information regarding the wetted soil pattern under surface drip irrigation. The current feld investigation was conducted in an apple orchard in SKUAST- Kashmir, Jammu and Kashmir, a Union Territory of India, during 2017–2019. The objective of the experiment was to e...

The industry, healthcare, agricultural, and municipal sectors all contribute to environmental pollution today by dumping harmful chemicals and wastes into the water, soil, and air. The risk of heavy metal accumulation in living systems primarily affects people, animals, plants, and microorganisms. The quality of the air, water, and soil are all bei...

This paper reveals the study of low cost traditional water harvesting structures that helps in improving the socioeconomic status of the poor farmers of the hill region. In the foothill region of North Western Himalayan region of India, the soil erosion has converted most of the fertile soils into barren, fallow and degraded lands. It is estimated...

Drought is a weather-related natural disaster. It affects vast regions for months or years. It has an impact on food production, and it reduces life expectancy and the economic performance of large regions or entire countries. Drought is a recurrent feature of the climate. It occurs in virtually all climatic zones, and its characteristics vary s...

The Revised Universal Soil Loss Equation (RUSLE) is the most extensively used empirical model for erosion prediction and monitoring the conservation method by understanding the driving forces behind soil erosion, we can more easily identify erosion-prone areas within a landscape to address the problem strategically. Remote sensing techniques and ge...

Physical characteristics and moisture content of local paddy varieties (K-39, Nik china and Jhelum) was measured and operational parameters of rice sheller and polisher were optimized for high yield of head rice. Tri-axial dimensions revealed an average eccentricity index of 1.5, 1.58 and 1.64 conforming bold shape of K-39, Nik China and Jhelum as...

Reliable information on the horizontal and vertical dimensions of the wetted soil beneath a point source is critical for designing accurate, cost-effective, and efficient surface and subsurface drip irrigation systems. Several factors, including soil properties, initial soil conditions, dripper flow rate, number of drippers, spacing between dripper...

Floods are one of the most dangerous natural disasters, causing great destruction, damage, and even fatalities worldwide. Flooding is the phenomenon of a sudden increase or even slow increase in the volume of water in a river or stream bed as the result of several possible factors: heavy or very long precipitation, melting snowpack, strong winds ov...

Growing awareness of environmental pollution and its negative impacts on ecosystems and human health has spread around the world in recent decades. Traditional remediation techniques frequently fail to adequately treat the wide range of toxins that affect our soil, water, and air. A revolutionary and groundbreaking technology called mycoremediation...

Water distribution networks are crucial for supplying consumers with quality and adequate water. A water distribution system comprises connected hydraulic components which ensure water supply and distribution to meet demand. Optimization of water distribution networks is carried out to minimize resource utilization and expenditure or maximize the s...

Trash mulches are remarkably effective in preventing soil erosion, reducing runoff-sediment transport-erosion, and increasing infiltration. The study was carried out to observe the sediment outflow from sugar cane leaf (trash) mulch treatments at selected land slopes under simulated rainfall conditions using a rainfall simulator of size 10 m × 1...

Contaminated water and poor sanitation are associated with disease transmission. Absent , inadequate, or improperly managed water resources and sanitation systems expose individuals to preventable health risks. Billions of people lack access to these basic services today and will remain in this condition for decades to come. As we are usually think...

Trash mulches are remarkably effective in preventing soil erosion, reducing runoff- sediment transport-erosion, and increasing infiltration. The study was carried out to observe the sediment outflow from sugar cane leaf (trash) mulch treatments at selected land slopes under simulated rainfall conditions using a rainfall simulator of size 10 m × 1.2...

This paper focus on the drought monitoring and forecasting for semi-arid region based on the various machine learning models and SPI index. Drought phenomena are crucial role in the agriculture and drinking purposes in the area. In this study, Standardized Precipitation Index (SPI) was used to predicted the future drought in the upper Godavari Rive...

Sustainable development of a country or area requires availability of different resources and their efficient application. Water resources are one of the most valuable resources of a country. The proper use of water resources depends on appropriate management. Water supply management is a multifaceted approach, and an important affecting factor on...

Availability and consumption pattern of energy and constraints in its proper supply and management for crop production were studied in wheat cropping systems in selected Ambedkar Nagar located in Uttar Pradesh in Northern India. The information was collected from farmers drawn from four villages, three each from three selected altitudes using two-s...

Rainfall forecasting is critical because it is the componen t that has the strongest link to natural disasters such as landslides, floods, mass movements, and avalanches. The present study focuses on the application of four machine learning techniques, namely, multiple linear regression (MLR), support vector regression (SVR), multivariate adaptive...

Considering the geo-ecological sensitivity, the Himalayan urban centres are seriously struggling to design useful and economical municipal solid waste (MSW) management systems. The Srinagar is the first metropolis and fastest growing city of Western Himalayas and here the management of MSW is a big challenge for local authorities. The aim of this s...

Drought is natural disaster which is characterized by intense and persistent shortage of precipitation. Drought monitoring plays an important role for the freshwater planning and management as well as for prediction of the onset and severity of droughts. The present study deals with the potential of using precipitation-based Standardized Precipitat...

In agricultural engineering, the operation research can be used to optimize the conditions for maximizing the output in the development of agricultural machinery, conservation measures for soil and water, preservation of agricultural commodities and sustainability of renewable energy sources. The techniques of operation research also cover project...

Accurate measurement of soil wetting pattern from the point source of drip irrigation system plays an important role for designing of the irrigation system. The study evaluated a novel empirical method for predicting soil wetted dimensions surrounding a drip emitter. The study conducted at Sher-e-Kashmir University of Agricultural Sciences and Tech...

Precise assessment, monitoring and forecasting of drought phenomena are crucial and play a vital role in agriculture and water resources management in the semi-arid region. In this study, Standardized Precipitation Index (SPI) was used to predict the drought in the upper Godavari River basin, India. Ten combinations were used to predict three SPI t...

This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been retracted at the request of the Editors. The article duplicates significant parts of a paper that had already appeared in [Frontiers of Architectural Research, volume 9 (2...

Mock Test papers in Agricultural Engineering (FMPE, SWE, PFE, REE, ME)

Temperature and precipitation are the basic elements of climate, and their variation can change the water demands of different uses. In this study, the trend of temperature and precipitation of Iran’s largest agricultural products hub (i.e., Khuzestan Province) was examined in monthly, seasonal, and annual timescales in the period 1988–2018 (30 yea...

Dams significantly impact river hydrology by changing the timing, size, and frequency of low and high flows, resulting in a hydrologic regime that differs significantly from the natural flow regime before the impoundment. For precise planning and judicious use of available water resources for agricultural operations and aquatic habitats, it is crit...

Prediction of crop coefficients is important to establish optimized irrigation water scheduling and management practices. In the present study, regression modeling was utilized to predict the field crop coefficients of crops grown in the humid sub-tropical agro-climate of Hamirpur (Himachal Pradesh, India). Field experiments were conducted on seven...