Vineet Yadav
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View article: An Error Model for Evaluating the Accuracy of Satellite-Based XCO$_2$ Products
An Error Model for Evaluating the Accuracy of Satellite-Based XCO$_2$ Products Open
Several satellites (e.g., OCO-2 & 3) and their derived products now provide spatially extensive coverage of the abundance of carbon dioxide in the atmospheric column (XCO$_2$). However, the accuracy of the XCO$_2$ reported in these product…
View article: Pharmacognostical Profiling and GC-Ms Analysis of <i>Tinospora Cordifolia</i> Stems for Immunomodulatory Properties
Pharmacognostical Profiling and GC-Ms Analysis of <i>Tinospora Cordifolia</i> Stems for Immunomodulatory Properties Open
This paper is a pharmacognostical and chemical appraisal of Tinospora cordifolia stems with focus on their immunomodulatory activity. Authenticity and quality of the plant material were established by the use of pharmacognostical profiling…
View article: Scaling Urban Methane Emissions: Utility of Single-Site Measurements in Five Urban Domains
Scaling Urban Methane Emissions: Utility of Single-Site Measurements in Five Urban Domains Open
Urban methane (CH4) missions remain poorly understood due to limited observational constraints. Most estimates rely on bottom-up inventories based on assumed emission factors and activity data or downscaling methods, which often underestim…
View article: Efficacy of preoperative transdermal buprenorphine patch (12 hours vs. 24 hours) on postoperative analgesia following major abdominal surgery
Efficacy of preoperative transdermal buprenorphine patch (12 hours vs. 24 hours) on postoperative analgesia following major abdominal surgery Open
Background and Aims: The transdermal buprenorphine patch is a noninvasive analgesic having a longer duration of action along with minimal side effects. The aim of this study was to compare the efficacy of preoperative transdermal buprenorp…
View article: Methane fluxes from arctic & boreal North America: Comparisons between process-based estimates and atmospheric observations
Methane fluxes from arctic & boreal North America: Comparisons between process-based estimates and atmospheric observations Open
Methane (CH4) flux estimates from high-latitude North American wetlands remain highly uncertain in magnitude, seasonality, and spatial distribution. In this study, we evaluate a decade (2007–2017) of CH4 flux estimates by comparing 16 proc…
View article: Implementation of the Video Conferencing Web Application “THE MEET UP”
Implementation of the Video Conferencing Web Application “THE MEET UP” Open
During the last few years, video conferencing has become very popular and very reliable as a tool to bridge the gap where travel is not an option. And the COVID-19 epidemic has also led to lockdown orders that have led to dramatic changes …
View article: Prioritizing sub-watersheds for soil and water resource conservation using multi-analytical approaches: a study of Shilabati River Basin, W.B., India
Prioritizing sub-watersheds for soil and water resource conservation using multi-analytical approaches: a study of Shilabati River Basin, W.B., India Open
Prioritizing watersheds is critical for effective river basin management, as it guides resource allocation, decision-making, and monitoring to enable long-term comprehensive natural resource management. The present study employs multi-anal…
View article: A Bayesian hierarchical framework for fusion of remote sensing data: An example with solar-induced fluorescence
A Bayesian hierarchical framework for fusion of remote sensing data: An example with solar-induced fluorescence Open
Solar-induced chlorophyll fluorescence (SIF) has emerged as an effective indicator of vegetation productivity and plant health. The global quantification of SIF and its associated uncertainties yields many important capabilities, including…
View article: Spatio-temporal assessment of land use, climate dynamics, and biophysical parameters in the Ranikhola watershed, Sikkim Himalaya, India
Spatio-temporal assessment of land use, climate dynamics, and biophysical parameters in the Ranikhola watershed, Sikkim Himalaya, India Open
Land Use/Land Cover (LULC) transitions have a profound impact on the environment, exacerbating climate change. Sikkim Himalaya is one of such fragile mountain ecosystems that is highly vulnerable to the impacts of climate change, exacerbat…
View article: Effects of PGR and Media on Survivality and Growth of Papaya Seedlings
Effects of PGR and Media on Survivality and Growth of Papaya Seedlings Open
The study aims to explore the optimal conditions for the successful germination and growth of papaya seedlings through the application of various growth media and plant growth regulators. Papaya is a tropical fruit with significant economi…
View article: Standardization of Grafting Techniques: Unlocking the Potential of Pomegranate (Punica granatum Linn.)
Standardization of Grafting Techniques: Unlocking the Potential of Pomegranate (Punica granatum Linn.) Open
An Experiment was conducted at Department of Agriculture, School of Agriculture and Veterinary Science, Shridhar University, Pilani, Rajasthan, India during 2023-2024. Softwood grafting and (T1 on June 15; T2 on June 30; T3 on July 15; T4;…
View article: Multi-decadal harmonized records of globally gridded spaceborne fluorescence constrain estimates of terrestrial photosynthetic uptake
Multi-decadal harmonized records of globally gridded spaceborne fluorescence constrain estimates of terrestrial photosynthetic uptake Open
Solar-induced fluorescence (SIF) is an important indicator of terrestrial photosynthesis and an increasingly targeted observable in spaceborne remote sensing. Here, we present results from efforts to harmonize data across multiple sensors …
View article: Functional analysis of variance (ANOVA) for carbon flux estimates from remote sensing data
Functional analysis of variance (ANOVA) for carbon flux estimates from remote sensing data Open
The constellation of Earth-observing satellites has now produced atmospheric greenhouse gas concentration estimates covering a period of several years. Their global coverage is providing additional information on the global carbon cycle. T…
View article: Quantification of fossil fuel CO <sub>2</sub> from combined CO, <i>δ</i> <sup>13</sup> CO <sub>2</sub> and Δ <sup>14</sup> CO <sub>2</sub> observations
Quantification of fossil fuel CO <sub>2</sub> from combined CO, <i>δ</i> <sup>13</sup> CO <sub>2</sub> and Δ <sup>14</sup> CO <sub>2</sub> observations Open
We present a new method for partitioning observed CO2 enhancements (CO2xs) into fossil and biospheric fractions (Cff and Cbio) based on measurements of CO and δ13CO2, complemented by flask-based Δ14CO2 measurements. This method additionall…
View article: Metrics for evaluating the quality in linear atmospheric inverse problems: a case study of a trace gas inversion
Metrics for evaluating the quality in linear atmospheric inverse problems: a case study of a trace gas inversion Open
Several metrics have been proposed and utilized to diagnose the performance of linear Bayesian and geostatistical atmospheric inverse problems. These metrics primarily assess the reductions in the prior uncertainties, compare modeled obser…
View article: Review of &amp;#8220;Quantification of fossil fuel CO2 from combined CO, d13CO2 and D14CO2 observations&amp;#8221; by Kim et al. for Egusphere 2023.
Review of &#8220;Quantification of fossil fuel CO2 from combined CO, d13CO2 and D14CO2 observations&#8221; by Kim et al. for Egusphere 2023. Open
Abstract. We present a new method for partitioning observed CO2 enhancements (CO2xs) into fossil and biospheric fractions (Cff and Cbio) based on measurements of CO and δ13CO2, complemented by flask-based Δ14CO2 measurements. This method a…
View article: Functional ANOVA for Carbon Flux Estimates: Supporting Data
Functional ANOVA for Carbon Flux Estimates: Supporting Data Open
This archive provides input and supporting datasets for the examples presented in "Functional ANOVA for carbon flux estimates from remote sensing data". This version (v0.2.0) of the archive includes sub-directories for each of the three ex…
View article: Functional ANOVA for Carbon Flux Estimates: Supporting Data
Functional ANOVA for Carbon Flux Estimates: Supporting Data Open
This archive provides input and supporting datasets for the examples presented in "Functional ANOVA for carbon flux estimates from remote sensing data". This version (v0.2.0) of the archive includes sub-directories for each of the three ex…
View article: Quantification of fossil fuel CO <sub>2</sub> from combined CO, δ <sup>13</sup> CO <sub>2</sub> and Δ <sup>14</sup> CO <sub>2</sub> observations
Quantification of fossil fuel CO <sub>2</sub> from combined CO, δ <sup>13</sup> CO <sub>2</sub> and Δ <sup>14</sup> CO <sub>2</sub> observations Open
We present a new method for partitioning observed CO2 enhancements (CO2xs) into fossil and biospheric fractions (Cff and Cbio) based on measurements of CO and δ13CO2, complemented by flask-based Δ14CO2 measurements. This method additionall…
View article: A declining trend of methane emissions in the Los Angeles basin from 2015 to 2020
A declining trend of methane emissions in the Los Angeles basin from 2015 to 2020 Open
The Los Angeles (LA) basin was responsible for approximately 20% of California’s methane emissions in 2016. Hence, curtailment of these emissions is required to meet California’s greenhouse gas emissions reduction targets. However, effecti…
View article: Methane emissions decline from reduced oil, natural gas, and refinery production during COVID-19
Methane emissions decline from reduced oil, natural gas, and refinery production during COVID-19 Open
In the summer of 2020, the AVIRIS-NG airborne imaging spectrometer surveyed California’s Southern San Joaquin Valley and the South Bay (Los Angeles County) to identify anthropogenic methane (CH 4 ) point source plumes, estimate emission ra…
View article: Comment on gmd-2022-230
Comment on gmd-2022-230 Open
The constellation of Earth-observing satellites now produces atmospheric greenhouse gas concentration estimates across multiple years. Their global coverage is providing additional information on the global carbon cycle. These products are…
View article: Methane emissions from underground gas storage in California
Methane emissions from underground gas storage in California Open
Accurate and timely detection, quantification, and attribution ofmethane emissions fromUnderground Gas Storage (UGS) facilities is essential for improving confidence in greenhouse gas inventories, enabling emission mitigation by facility o…
View article: Functional ANOVA for Carbon Flux Estimates from Remote Sensing Data
Functional ANOVA for Carbon Flux Estimates from Remote Sensing Data Open
The constellation of Earth-observing satellites now produces atmospheric greenhouse gas concentration estimates across multiple years. Their global coverage is providing additional information on the global carbon cycle. These products are…