Biogeochemical and community ecology responses to the wetting of non-perennial streams

AN Price, MA Zimmer, A Bergstrom, AJ Burgin… - Nature Water, 2024 - nature.com
Transitions between dry and wet hydrologic states are the defining characteristic of non-
perennial rivers and streams, which constitute the majority of the global river network …

Corroboration of arsenic variation over the Indian Peninsula through standardized precipitation evapotranspiration indices and groundwater level fluctuations: Water …

DP Panday, M Kumar, V Agarwal… - Science of the Total …, 2024 - Elsevier
The contamination of groundwater with arsenic (As) as a result of geo-morphological and
hydrogeochemical factors has been the subject of comprehensive research. However, there …

Stream network dynamics of non‐perennial rivers: Insights from integrated surface‐subsurface hydrological modeling of two virtual catchments

F Zanetti, G Botter, M Camporese - Water Resources Research, 2024 - Wiley Online Library
Understanding the spatio‐temporal dynamics of runoff generation in headwater catchments
is challenging, due to the intermittent and fragmented nature of surface flows. The active …

[HTML][HTML] Role of dry watercourses of an arid watershed in carbon and nitrogen processing along an agricultural impact gradient

MI Arce, M Sánchez-García, J Martínez-López… - Journal of …, 2023 - Elsevier
In the Mediterranean arid region such as Southeast (SE) Spain, a considerable part of the
fluvial network runs permanently dry. Here, many dry watercourses are embedded in …

Short‐term dynamics of drainage density based on a combination of channel flow state surveys and water level measurements

I Bujak‐Ozga, HJ Van Meerveld, A Rinaldo… - Hydrological …, 2023 - Wiley Online Library
Headwater streams often experience intermittent flow. Consequently, the flowing drainage
network expands and contracts and the flowing drainage density (DD) varies over time …

Quantifying intermittent flow regimes in ungauged basins: optimization of remote sensing techniques for ephemeral channels using a flexible statistical classification

LJ Davidson, AM Milewski, SM Holland - Remote Sensing, 2023 - mdpi.com
Intermittent and ephemeral channels are a critical component of the global hydrologic
network. The dominant feature in dryland environments, ephemeral channel transmission …

Organic molecules are deterministically assembled in variably inundated river sediments, but drivers remain unclear

JC Stegen, VA Garayburu-Caruso, RE Danczak… - Scientific Reports, 2025 - nature.com
Dissolved organic matter (DOM) is vital to ecosystem functions, influencing nutrient cycles
and water quality. Understanding the processes driving DOM chemistry variation remains a …

Changes in Water Age During Dry‐Down of a Non‐Perennial Stream

LJ Swenson, S Zipper, DM Peterson… - Water Resources …, 2024 - Wiley Online Library
Non‐perennial streams, which lack year‐round flow, are widespread globally. Identifying the
sources of water that sustain flow in non‐perennial streams is necessary to understand their …

Spatio‐Temporal Variability of Hyporheic Exchange Processes Across a Stream Network

C Glaser, BS Gilfedder, C Zarfl - Hydrological Processes, 2024 - Wiley Online Library
Hyporheic exchange processes (HEP) play a critical role in controlling riverine
biogeochemical turnover and ecological functioning. Despite the expected scaling of HEP …

Key bacterial groups maintain stream multifunctionality in response to episodic drying

G Gionchetta, R Arias‐Real, P Hurtado… - Limnology and …, 2024 - Wiley Online Library
Microbial biodiversity is fundamental to maintain ecosystem functioning in seasonally
variable ecosystems. However, it remains unclear how alterations in water availability …