Topics
|
Topics > Water > Water environment
Water environmentSee also: |
Sorted by (Issue date descending, Date of update descending, Date of creation descending, Number of collection descending) Add the result to your favourites Refine your search
Guidance on Environmental Flows : Integrating E-flow Science with Fluvial Geomorphology to Maintain Ecosystem Services
Fluvial systems provide a wide range of necessary services for human society to thrive on. These are the so-called ecosystem services: food, drinking water, natural flood mitigation, energy and so forth. Such services are linked to an appropriate level of functionality of fluvial processes, which can be accounted for in terms of ecological objectives. These ecological objectives in watercourses can be reached only if appropriate flow and sediment regimes and related quality of channel morphology are guaranteed. The establishment and maintenance of such flow regimes, namely environmental flows ...
Operational Environmental Monitoring Applications using the Community Satellite Processing Package (CSPP)
This resource demonstrates the variety of satellite imagery and products accessible through the Community Satellite Processing Package (CSPP). Two videos, the first focused on imagery applications and the second on microwave applications, provide an overview of the types of weather and environmental information available through CSPP. Using CSPP, forecasters and others needing timely access to data can download and display imagery and products from Joint Polar Satellite System (JPSS) instruments. The resource provides some background information for obtaining and using the CSPP software, which ...
Sea Level Change: Basics
This lesson describes the physical processes, both natural and human-induced, that lead to changes in sea level. The processes described include climate induced changes in ocean heat content and volume, natural oceanic cycles, and both natural and human-induced changes in coastal land elevation. The learning is enhanced with rich graphics and periodic questions.
Overview of Watershed and Channel Sedimentation
This lesson provides an overview of the primary influences of watershed and channel sedimentation. In a short narrated portion of the lesson, we explore a section of the Rio Grande watershed and channel in New Mexico using Google Earth imagery, river profiles, and graphic animations. We highlight features of the upland catchments, the river channel, and the Elephant Butte Reservoir. We then demonstrate how environmental factors (climate, geography, land use changes, reservoirs) impact the supply and movement of sediments for the Rio Grande and other rivers. The focus is on the three primary pr ...
Primary Influences on Water Temperature for Inland Streams
This lesson explores the primary influences, or drivers, on water temperature of inland streams and rivers. We use a simulated flight, or flyover, where we look down at the features of the South Boise River in Idaho. An unregulated as well as a regulated reach of the river are explored (above and below the Anderson Ranch Reservoir), with a look at cross sections of the river and its environment at key locations during the flyover. We explore how environmental factors (climate, geography, stream morphology) impact water temperatures. Then, after defining the factors that affect water temperatur ...
Mekong Hydrological Cycle Observing System (Mekong-HYCOS) - Final evaluation of the Hydrometeorological Mekong-HYCOS project : Final Report – v4
The purpose of this evaluation is to formulate a reasoned opinion on the relevance, effectiveness, efficiency, impact and sustainability of the funded project. The evaluator has examined the outcomes of the project in the light of the objectives fixed. He/she has also reviewed the execution and functioning of the project in its different phases of implementation and monitoring.
![]()
Accessing economic and political impacts of Hydrological variability on treaties: case studies on the Zambezi and Mekong basins
The term 'green jobs' can refer to employment in a narrowly defined set of industries providing environmental services. But it is more useful for the policy-maker to focus on the broader issue of the employment consequences of policies to correct environmental externalities such as anthropogenic climate change. Most of the literature focuses on direct employment created, with more cursory treatment of indirect and induced job creation, especially that arising from macroeconomic effects of policies. The potential adverse impacts of green growth policies on labor productivity and the costs of em ...
![]()
A Glass Half Empty: regions at Risk Due to Groundwater Depletion
UNEP, 2012The tiny fraction of freshwater not bound up in ice sheets and glaciers comprises only a very small fraction of total global water volume (about 0.79 %) (1). Global use of that freshwater, however, has been growing at roughly twice the rate of global population for the past century (2,3) (Figure 1). Even so, this volume of unfrozen freshwater is still more than adequate to meet all human needs. However, this essential resource, which is mostly stored as groundwater, is distributed quite unevenly around the globe. Furthermore, physical and economic constraints make it impractical in most cases ...
![]()
Mitigating Climate Change through Restoration and Management of Coastal Wetlands and Near-shore Marine Ecosystems : Challenges and Opportunities
The technical report, prepared by Stephen Crooks, Dorothee Herr, Jerker Tamelander, Dan Laffoley and Justin Vandever, consolidates information from the literature and provides analysis on the climate change mitigation potential of seagrasses and coastal wetlands, including coastal peats, tidal freshwater wetlands, salt marshes and mangroves (see Annex 2). The numbers in this full technical report have been adjusted since the synthesis note, produced while the study was in progress, was released in Cancun. The calculations of emissions are ballpark, but reasonable, and represent an order of mag ...
![]()
Variations of Terrestrial Water Storage in the Yangtze River Basin under Climate Change Scenarios
Atmospheric and Oceanic Science Letters, Volume 3 Number 6. Ma Quian; Xie Zheng-Hui; Zhao Lin-Na - Science Press, 2010In this study, the water balance-based Precipitation-Evapotranspiration-Runoff (PER) method combined with the land surface model Variable Infiltration Capacity (VIC) was used to estimate the spatiotemporal variations of terrestrial water storage (TWS) for two periods, 1982–2005 (baseline) and 2071–2100, under future climate scenarios A2 and B2 in the Yangtze River basin. The results show that the estimated TWS during the baseline period and under the two future climate scenarios have similar seasonal amplitudes of 60–70 mm. The higher values of TWS appear in June during the baseline period and ...
Runoff Processes: International Edition
The Runoff Processes module offers a thorough introduction to the runoff processes critical for flood and water supply prediction. This module explains key terminology and concepts including the following: types of runoff, paths through which water becomes runoff, basin and soil properties that influence runoff, and numerical runoff modeling. Examples of popular runoff models are also discussed.
Understanding the Hydrologic Cycle: International Edition
This module helps students gain a basic understanding of the elements of the hydrologic cycle. The hydrologic cycle is the continuous movement and phase change of liquid water, ice, and water vapor above, on, under and through the earth's surface. This module examines the basic concepts of the hydrologic cycle including water distribution, atmospheric water, surface water, groundwater, and snowpack/snowmelt.
Nile issues: small streams from the Nile Basin Research Programme
The Nile Basin Research Programme (NBRP), as a strategic, multidisciplinary programme for research and higher education on topics related to the Nile Basin, has had the overall aim to enhance and promote quality research on Nile-related issues and to support research collaboration between institutions in the Nile Basin region.
This book presents some of the results from the NBRP. The Nile Basin region faces huge challenges in the future. The ways the Nile issues are solved will have enduring consequences for the development of the region.
The status and distribution of freshwater biodiversity in the Eastern Himalaya
IUCN, 2010Biodiversity within inland water ecosystems in the Eastern Himalaya region is both highly diverse and of great regional importance to livelihoods and economies. However, development activities are not always compatible with the conservation of this diversity, and the ecosystem requirements of biodiversity are frequently not considered in the development planning process. One of the main reasons cited for inadequate representation of biodiversity is a lack of readily available information on the status and distribution of inland water taxa. In response to this need for information, the IUCN Spe ...
![]()
Report of the Lake Victoria Fisheries Organization and FAO National Stakeholders' Workshops on Fishing Effort and Capacity on Lake Victoria (2006) : Mwanza, United Republic of Tanzania, 9–10 October 2006, Kisumu, Republic of Kenya, 12-13 October 2006, Mukono, Republic of Uganda, 17-18 October 2006.
FAO, 2008 (FAO Fisheries and Aquaculture Report-No. 817)The Lake Victoria Fisheries Organization (LVFO) and FAO National Stakeholders’ Workshops on Fishing Effort and Capacity on Lake Victoria (2006) were held to: (i) develop a shared understanding amongst participants regarding the LVFO Regional Plan of Action for the Management of Fishing Capacity in Lake Victoria and its Basin (LVFO RPOA-Capacity) and the use of rights-based management approaches as a vehicle for ensuring the (...)
Add tag 
