on May 21, 2024
Quantifying Urban Population Dominance: A Geospatial Perspective
Geographic Information SystemsQuantifying urban dominance: Measures and Metrics When analysing the relative dominance of a city’s population, researchers and urban planners often turn to a variety of measures and metrics. These tools can provide valuable insights into the hierarchical relationships between cities, as well as the underlying factors that contribute to a city’s dominance. In this article,
on May 6, 2024
Decoding Precipitation Values in CORDEX MPI-ESM RCP Data: Unraveling the Confusion
Geographic Information SystemsUnderstanding Precipitation Values in CORDEX MPI-ESM RCP Data 1. Introduction Precipitation data play an important role in climate research and various applications in the field of earth sciences and geographic information systems (GIS). However, when working with climate models and datasets, it is not uncommon to encounter confusion and challenges in interpreting precipitation values. In
on May 5, 2024
GIS-Based Approaches for Estimating Potential Evapotranspiration in Non-Agricultural Land Use: A Comprehensive Review
Geographic Information SystemsGetting Started Estimation of potential evapotranspiration (PET) is a critical aspect of understanding the water cycle and hydrological processes in non-agricultural land use classes. PET represents the maximum amount of water that could be evaporated and transpired by vegetation under ideal conditions. Accurate estimation of PET is essential for various GIS and earth science applications,
on April 30, 2024
Mapping the Tropic Belt: Quantifying the Distance Between Earth’s Tropics Using GIS
Geographic Information SystemsUnderstanding the distance between the tropics: A Geographical Perspective The Earth’s geography is characterized by a variety of climatic zones that play a crucial role in shaping the planet’s weather patterns, ecosystems, and human habitation. One such important region is the tropics, which lie between the Tropic of Cancer and the Tropic of Capricorn. In
on April 29, 2024
Unveiling Earth’s Veil: Captivating Global Cloud Cover Animations for Earth Science and GIS Enthusiasts
Geographic Information SystemsExploring Global Cloud Cover: The Power of GIS and Earth Science Cloud cover plays a critical role in our planet’s climate system, influencing temperature patterns, precipitation, and atmospheric dynamics. Understanding and monitoring global cloud cover is essential for meteorologists, climatologists, and researchers studying the Earth’s climate. In the digital age, the availability of advanced technologies
on February 29, 2024
Would more or less land be usable if global temperatures rose?
Geographic Information SystemsWould more or less land be usable as global temperatures rise? 1. The impact of global temperature rise on land usability As a GIS and geoscience expert, I am often asked about the potential consequences of global temperature rise on land usability. It is widely accepted that global temperatures are rising due to human activities,
on February 28, 2024
Analyzing MODIS Snow Cover Across Diverse Elevation Zones Using GIS: A Comprehensive Guide
Geographic Information SystemsGetting Started The Moderate Resolution Imaging Spectroradiometer (MODIS) is a key instrument aboard NASA’s Terra and Aqua satellites, providing valuable data for monitoring Earth’s surface and atmosphere. One of the critical applications of MODIS data is the assessment of snow cover at different elevations. Snow cover is an essential parameter in several fields, including hydrology,
on February 23, 2024
Geospatial Analysis Reveals Mountains and Hills Visible from Both Boston and Rhode Island: A GIS Perspective
Geographic Information SystemsMountains Visible from Boston and Rhode Island When it comes to enjoying scenic vistas and natural landscapes, both Boston and Rhode Island offer a wealth of options. While these regions are known for their coastal beauty, they also provide opportunities to appreciate the picturesque mountains and hills that dot the surrounding areas. In this article,
on January 28, 2024
Efficient Flow Routing in R: Harnessing DEM Data for Accurate Earth Science and GIS Applications
Geographic Information SystemsGetting Started Digital Elevation Models (DEMs) are essential tools for geospatial analysis, particularly in the fields of earth science and geographic information systems (GIS). DEMs represent the topography of the Earth’s surface by providing elevation values for each pixel or grid cell. An important application of DEMs is flow routing, which involves determining the path
on November 23, 2023
How to Create a Custom Filter to Filter by Band Name Existence in Earth Engine?
Geographic Information SystemsGoogle Earth Engine is a powerful platform that allows users to analyze and visualize geospatial data at scale. When working with satellite imagery or other remotely sensed data, it can be useful to filter datasets based on specific bands or band names. In this article, we will walk you through the process of creating a